ci: fix zizmor security findings

[kevinjqliu]

Which issue does this PR close?

Relates to apache/iceberg#15742
Follow up to #2289

What changes are included in this PR?

Fix github workflow based on zizmor recommendation for security best practice

Are these changes tested?

Yes

➜  iceberg-rust git:(kevinjqliu/zizmor-fix) uvx --from zizmor zizmor --offline .github/          
🌈 zizmor v1.23.1
 INFO audit: zizmor: 🌈 completed .github/actions/get-msrv/action.yml
 INFO audit: zizmor: 🌈 completed .github/actions/overwrite-package-version/action.yml
 INFO audit: zizmor: 🌈 completed .github/actions/setup-builder/action.yml
 INFO audit: zizmor: 🌈 completed .github/dependabot.yml
 INFO audit: zizmor: 🌈 completed .github/workflows/audit.yml
 INFO audit: zizmor: 🌈 completed .github/workflows/bindings_python_ci.yml
 INFO audit: zizmor: 🌈 completed .github/workflows/ci.yml
 INFO audit: zizmor: 🌈 completed .github/workflows/ci_typos.yml
 INFO audit: zizmor: 🌈 completed .github/workflows/codeql.yml
 INFO audit: zizmor: 🌈 completed .github/workflows/publish.yml
 INFO audit: zizmor: 🌈 completed .github/workflows/release_python.yml
 INFO audit: zizmor: 🌈 completed .github/workflows/release_python_nightly.yml
 INFO audit: zizmor: 🌈 completed .github/workflows/stale.yml
 INFO audit: zizmor: 🌈 completed .github/workflows/website.yml
No findings to report. Good job! (1 ignored, 37 suppressed)

[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-advanced-security]

zizmor found more than 20 potential problems in the proposed changes. Check the Files changed tab for more details.