ci: Enable Zizmor scans

[adimoft]

This pull request introduces a new GitHub Actions workflow for automated security scanning using Zizmor. The workflow is triggered on pushes, pull requests, and manual dispatches to the main branch, and it runs the Zizmor scan, uploads the results to GitHub Security, and saves the scan report as an artifact.

New GitHub Actions workflow for security scanning:

• Added .github/workflows/zizmor.yml to automate Zizmor security scans on the codebase, including steps for runner hardening, code checkout, tool installation, scan execution, SARIF upload to GitHub Security, and artifact upload.

[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.

[RosieAMT]

🎉 This PR is included in version 3.59.0 🎉

The release is available on:

• GitHub release
• v3.59.0

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