docs: correcting some docs on python script

[lkhagvadorj-amp]

Description

Fixes #13696

Note: Before submitting a pull request, please open an issue for discussion if you are not associated with Google.

Checklist

• I have followed Sample Guidelines from AUTHORING_GUIDE.MD
• README is updated to include all relevant information
• Tests pass: nox -s py-3.9 (see Test Environment Setup)
• Lint pass: nox -s lint (see Test Environment Setup)
• These samples need a new API enabled in testing projects to pass (let us know which ones)
• These samples need a new/updated env vars in testing projects set to pass (let us know which ones)
• This sample adds a new sample directory, and I updated the CODEOWNERS file with the codeowners for this sample
• This sample adds a new Product API, and I updated the Blunderbuss issue/PR auto-assigner with the codeowners for this sample
• Please merge this PR for me once it is approved

[gemini-code-assist]

Summary of Changes

Hello @lkhagvadorj-amp, I'm Gemini Code Assist¹! I'm currently reviewing this pull request and will post my feedback shortly. In the meantime, here's a summary to help you and other reviewers quickly get up to speed!

This pull request focuses on improving the clarity and accuracy of the composer_migrate.py script's documentation and internal comments. It addresses minor textual inaccuracies, such as correcting a docstring to better reflect function behavior and fixing spelling errors in a warning message and a code comment. The overall goal is to enhance readability and ensure the code's self-documentation is precise.

Highlights

• Docstring Correction: The docstring for the unpause_dag function was updated to accurately state that it unpauses 'a DAG' instead of 'all DAGs' in a Composer environment.
• Typo Fix in Warning Message: A spelling error was corrected in a logger warning message, changing 'environnment' to 'environment'.
• Comment Typo Correction: A typo in a code comment was fixed, changing 'Unpase DAGs' to 'Unpause DAGs'.

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[gemini-code-assist]

Code Review

This pull request provides minor but useful corrections to the composer/tools/composer_migrate.py script. It fixes typos in a log message and a comment, and updates the docstring for unpause_dag to accurately describe its function. These changes enhance code clarity and maintainability. The PR is ready to be merged.

[iennae]

Thanks for the improvements.