Add zizmor lint

[TonyCTHsu]

What does this PR do?

Motivation:

Change log entry

Additional Notes:

How to test the change?

[github-actions]

👋 Hey @DataDog/ruby-guild, please fill "Change log entry" section in the pull request description.

If changes need to be present in CHANGELOG.md you can state it this way

**Change log entry**

Yes. A brief summary to be placed into the CHANGELOG.md

(possible answers Yes/Yep/Yeah)

Or you can opt out like that

**Change log entry**

None.

(possible answers No/Nope/None)

^{Visited at: 2025-03-04 15:01:33 UTC}

[datadog-datadog-prod-us1]

Datadog Report

Branch report: tonycthsu/zizmore
Commit report: 27e6c58
Test service: dd-trace-rb

✅ 0 Failed, 20623 Passed, 1370 Skipped, 3m 11.93s Total Time

[codecov-commenter]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 97.69%. Comparing base (20cbec9) to head (27e6c58).
Report is 876 commits behind head on master.

Additional details and impacted files

@@           Coverage Diff           @@
##           master    #4454   +/-   ##
=======================================
  Coverage   97.69%   97.69%           
=======================================
  Files        1375     1375           
  Lines       83813    83812    -1     
  Branches     4251     4251           
=======================================
  Hits        81879    81879           
+ Misses       1934     1933    -1     

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[pr-commenter]

Benchmarks

Benchmark execution time: 2025-03-04 21:43:07

Comparing candidate commit 27e6c58 in PR branch tonycthsu/zizmore with baseline commit 20cbec9 in branch master.

Found 0 performance improvements and 2 performance regressions! Performance is the same for 29 metrics, 2 unstable metrics.

scenario:line instrumentation - targeted

• 🟥 throughput [-11228.754op/s; -10789.407op/s] or [-6.749%; -6.485%]

scenario:method instrumentation

• 🟥 throughput [-10390.122op/s; -9596.152op/s] or [-5.919%; -5.467%]

[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.