[Spring]validate path exist before all steps

[Netyyyy]

Verify that artifact-path and source-path exist before all steps in az spring app deploy, az spring app deployment create and az spring job deploy commands.

Related command

General Guidelines

• [ ] Have you run azdev style <YOUR_EXT> locally? (pip install azdev required)
• [ ] Have you run python scripts/ci/test_index.py -q locally? (pip install wheel==0.30.0 required)
• [ ] My extension version conforms to the Extension version schema

For new extensions:

• [ ] My extension description/summary conforms to the Extension Summary Guidelines.

About Extension Publish

There is a pipeline to automatically build, upload and publish extension wheels.
Once your pull request is merged into main branch, a new pull request will be created to update src/index.json automatically.
You only need to update the version information in file setup.py and historical information in file HISTORY.rst in your PR but do not modify src/index.json.

[azure-client-tools-bot-prd[bot]]

️✔️Azure CLI Extensions Breaking Change Test

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️✔️Non Breaking Changes

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[azure-client-tools-bot-prd[bot]]

Hi @Netyyyy, Please write the description of changes which can be perceived by customers into HISTORY.rst. If you want to release a new extension version, please update the version in setup.py as well.

[azure-client-tools-bot-prd[bot]]

Hi @Netyyyy, Since the current milestone time is less than 7 days, this pr will be reviewed in the next milestone.

[yonzhan]

Spring

[github-actions[bot]]

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[github-actions[bot]]

For more info about extension versioning, please refer to Extension version schema

[Netyyyy]

close for not merge