[DOCS] update gx cloud and airflow doc

[nicgrayson]

Update commands to run a local Airflow deployment and fix python code that connects to gx cloud

• [x] Description of PR changes above includes a link to an existing GitHub issue
• [x] PR title is prefixed with one of: [BUGFIX], [FEATURE], [DOCS], [MAINTENANCE], [CONTRIB]
• [x] Code is linted - run invoke lint (uses ruff format + ruff check)
• [x] Appropriate tests and docs have been updated

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Codecov Report

All modified and coverable lines are covered by tests :white_check_mark:

Project coverage is 79.43%. Comparing base (b08b7f9) to head (9b539b6).

Additional details and impacted files

```diff @@ Coverage Diff @@ ## develop #10025 +/- ## =========================================== + Coverage 78.84% 79.43% +0.58% =========================================== Files 456 456 Lines 39748 39748 =========================================== + Hits 31340 31574 +234 + Misses 8408 8174 -234 ``` | [Flag](https://app.codecov.io/gh/great-expectations/great_expectations/pull/10025/flags?src=pr&el=flags&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=great-expectations) | Coverage Δ | | |---|---|---| | [3.10](https://app.codecov.io/gh/great-expectations/great_expectations/pull/10025/flags?src=pr&el=flag&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=great-expectations) | `65.99% <ø> (-0.02%)` | :arrow_down: | | [3.10 aws_deps](https://app.codecov.io/gh/great-expectations/great_expectations/pull/10025/flags?src=pr&el=flag&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=great-expectations) | `?` | | | [3.10 big](https://app.codecov.io/gh/great-expectations/great_expectations/pull/10025/flags?src=pr&el=flag&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=great-expectations) | `?` | | | [3.10 databricks](https://app.codecov.io/gh/great-expectations/great_expectations/pull/10025/flags?src=pr&el=flag&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=great-expectations) | `?` | | | [3.10 filesystem](https://app.codecov.io/gh/great-expectations/great_expectations/pull/10025/flags?src=pr&el=flag&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=great-expectations) | `?` | | | [3.10 mssql](https://app.codecov.io/gh/great-expectations/great_expectations/pull/10025/flags?src=pr&el=flag&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=great-expectations) | `?` | | | [3.10 mysql](https://app.codecov.io/gh/great-expectations/great_expectations/pull/10025/flags?src=pr&el=flag&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=great-expectations) | `?` | | | [3.10 postgresql](https://app.codecov.io/gh/great-expectations/great_expectations/pull/10025/flags?src=pr&el=flag&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=great-expectations) | `?` | | | [3.10 snowflake](https://app.codecov.io/gh/great-expectations/great_expectations/pull/10025/flags?src=pr&el=flag&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=great-expectations) | `?` | | | [3.10 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big](https://app.codecov.io/gh/great-expectations/great_expectations/pull/10025/flags?src=pr&el=flag&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=great-expectations) | `?` | | | [3.11 databricks](https://app.codecov.io/gh/great-expectations/great_expectations/pull/10025/flags?src=pr&el=flag&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=great-expectations) | `?` | | | [3.11 filesystem](https://app.codecov.io/gh/great-expectations/great_expectations/pull/10025/flags?src=pr&el=flag&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=great-expectations) | `?` | | | [3.11 mssql](https://app.codecov.io/gh/great-expectations/great_expectations/pull/10025/flags?src=pr&el=flag&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=great-expectations) | `?` | | | [3.11 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spark](https://app.codecov.io/gh/great-expectations/great_expectations/pull/10025/flags?src=pr&el=flag&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=great-expectations) | `57.28% <ø> (ø)` | | | [3.12 trino](https://app.codecov.io/gh/great-expectations/great_expectations/pull/10025/flags?src=pr&el=flag&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=great-expectations) | `52.02% <ø> (ø)` | | | [3.8](https://app.codecov.io/gh/great-expectations/great_expectations/pull/10025/flags?src=pr&el=flag&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=great-expectations) | `66.05% <ø> (ø)` | | | [3.8 athena or clickhouse or openpyxl or pyarrow or project or sqlite or aws_creds](https://app.codecov.io/gh/great-expectations/great_expectations/pull/10025/flags?src=pr&el=flag&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=great-expectations) | `54.52% <ø> (ø)` | | | [3.8 aws_deps](https://app.codecov.io/gh/great-expectations/great_expectations/pull/10025/flags?src=pr&el=flag&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=great-expectations) | `45.84% <ø> (ø)` | | | [3.8 big](https://app.codecov.io/gh/great-expectations/great_expectations/pull/10025/flags?src=pr&el=flag&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=great-expectations) | `54.54% <ø> (ø)` | | | [3.8 databricks](https://app.codecov.io/gh/great-expectations/great_expectations/pull/10025/flags?src=pr&el=flag&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=great-expectations) | `46.97% <ø> (ø)` | | | [3.8 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snowflake](https://app.codecov.io/gh/great-expectations/great_expectations/pull/10025/flags?src=pr&el=flag&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=great-expectations) | `47.88% <ø> (ø)` | | | [3.8 spark](https://app.codecov.io/gh/great-expectations/great_expectations/pull/10025/flags?src=pr&el=flag&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=great-expectations) | `57.25% <ø> (ø)` | | | [3.8 trino](https://app.codecov.io/gh/great-expectations/great_expectations/pull/10025/flags?src=pr&el=flag&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=great-expectations) | `52.01% <ø> (ø)` | | | [3.9](https://app.codecov.io/gh/great-expectations/great_expectations/pull/10025/flags?src=pr&el=flag&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=great-expectations) | `66.03% <ø> (ø)` | | | [3.9 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spark](https://app.codecov.io/gh/great-expectations/great_expectations/pull/10025/flags?src=pr&el=flag&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=great-expectations) | `?` | | | [3.9 trino](https://app.codecov.io/gh/great-expectations/great_expectations/pull/10025/flags?src=pr&el=flag&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=great-expectations) | `?` | | | [cloud](https://app.codecov.io/gh/great-expectations/great_expectations/pull/10025/flags?src=pr&el=flag&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=great-expectations) | `0.00% <ø> (?)` | | | [docs-basic](https://app.codecov.io/gh/great-expectations/great_expectations/pull/10025/flags?src=pr&el=flag&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=great-expectations) | `48.79% <ø> (?)` | | | [docs-creds-needed](https://app.codecov.io/gh/great-expectations/great_expectations/pull/10025/flags?src=pr&el=flag&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=great-expectations) | `49.94% <ø> (?)` | | | [docs-spark](https://app.codecov.io/gh/great-expectations/great_expectations/pull/10025/flags?src=pr&el=flag&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=great-expectations) | `48.65% <ø> (?)` | | Flags with carried forward coverage won't be shown. [Click here](https://docs.codecov.io/docs/carryforward-flags?utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=great-expectations#carryforward-flags-in-the-pull-request-comment) to find out more.

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