Rename to astro-provider-databricks

[tatiana]

• [x] Rename the Github repo
• [x] Rename references to the GitHub repo
• [x] Make sure tests continue passing
• [x] Create a new PyPI package
• [x] Make sure Codecov continues working after the rename

[codecov-commenter]

Codecov Report

Patch and project coverage have no change.

Comparison is base (d5d1187) 78.57% compared to head (626f1dd) 78.57%.

Additional details and impacted files

```diff @@ Coverage Diff @@ ## main #18 +/- ## ======================================= Coverage 78.57% 78.57% ======================================= Files 5 5 Lines 420 420 Branches 47 47 ======================================= Hits 330 330 Misses 73 73 Partials 17 17 ``` Help us with your feedback. Take ten seconds to tell us [how you rate us](https://about.codecov.io/nps?utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=astronomer). Have a feature suggestion? [Share it here.](https://app.codecov.io/gh/feedback/?utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=astronomer)

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