Scan with actionlint

[TonyCTHsu]

What does this PR do?

• Add actionlint job
• Fix issues

Change log entry
None.

[datadog-datadog-prod-us1]

Datadog Report

Branch report: tonycthsu/actionlint
Commit report: 77d83ef
Test service: dd-trace-rb

✅ 0 Failed, 20624 Passed, 1371 Skipped, 3m 10.23s Total Time

[pr-commenter]

Benchmarks

Benchmark execution time: 2025-03-05 13:01:39

Comparing candidate commit 77d83ef in PR branch tonycthsu/actionlint with baseline commit 1e9d70f in branch master.

Found 0 performance improvements and 0 performance regressions! Performance is the same for 31 metrics, 2 unstable metrics.

[codecov-commenter]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 97.69%. Comparing base (34bf118) to head (77d83ef).
Report is 4 commits behind head on master.

Additional details and impacted files

@@            Coverage Diff             @@
##           master    #4457      +/-   ##
==========================================
- Coverage   97.69%   97.69%   -0.01%     
==========================================
  Files        1375     1375              
  Lines       83813    83812       -1     
  Branches     4251     4251              
==========================================
- Hits        81885    81879       -6     
- Misses       1928     1933       +5     

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