github: Enable GitHub Actions static analysis with zizmor

[bkeryan]

• This contribution adheres to CONTRIBUTING.md.

What does this Pull Request accomplish?

Enable static analysis with Zizmor and address all of the errors that it reports.

Disable setup-poetry caching in publish.yml.

Why should this Pull Request be merged?

Follow GitHub Actions security best practices.

What testing has been done?

PR build

[github-advanced-security]

You are seeing this message because GitHub Code Scanning has recently been set up for this repository, or this pull request contains the workflow file for the Code Scanning tool.

What Enabling Code Scanning Means:

• The 'Security' tab will display more code scanning analysis results (e.g., for the default branch).
• Depending on your configuration and choice of analysis tool, future pull requests will be annotated with code scanning analysis results.
• You will be able to see the analysis results for the pull request's branch on this overview once the scans have completed and the checks have passed.

For more information about GitHub Code Scanning, check out the documentation.

[github-actions]

Test Results

    50 files  ±0      50 suites  ±0   19m 23s ⏱️ -2s
 2 326 tests ±0   2 326 ✅ ±0   0 💤 ±0  0 ❌ ±0 
59 628 runs  ±0  59 616 ✅ ±0  12 💤 ±0  0 ❌ ±0 

Results for commit 8f9f358. ± Comparison against base commit c86197e.