Add Zizmor analysis GitHub action

[pankajkoti]

Adds an automated security analysis workflow that runs the Zizmor scanner on every push to main and on all pull requests.

related: https://github.com/astronomer/oss-integrations-private/issues/156

Reference: https://docs.zizmor.sh/

[github-advanced-security]

This pull request sets up GitHub code scanning for this repository. Once the scans have completed and the checks have passed, the analysis results for this pull request branch will appear on this overview. Once you merge this pull request, the 'Security' tab will show more code scanning analysis results (for example, for the default branch). Depending on your configuration and choice of analysis tool, future pull requests will be annotated with code scanning analysis results. For more information about GitHub code scanning, check out the documentation.

[codecov-commenter]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 93.75%. Comparing base (3f30692) to head (b53fc29).

Additional details and impacted files

@@           Coverage Diff           @@
##             main     #482   +/-   ##
=======================================
  Coverage   93.75%   93.75%           
=======================================
  Files          11       11           
  Lines        1040     1040           
=======================================
  Hits          975      975           
  Misses         65       65           

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[pankajastro]

I'm just wondering if this job by default, uploads the scan artifact. I can see in the log Uploading combined SARIF debug artifact, but it is empty https://github.com/astronomer/dag-factory/actions/runs/16320884127/job/46098049719#step:5:3