Add concurrency cancel and ignore docs/markdown changes across CI workflows

[Sahilb315]

---

[safedep]

SafeDep Report Summary

No dependency changes detected. Nothing to scan.

_{This report is generated by SafeDep Github App}

[codecov-commenter]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 40.36%. Comparing base (442a974) to head (13a83c2).

Additional details and impacted files

@@           Coverage Diff           @@
##             main     #168   +/-   ##
=======================================
  Coverage   40.36%   40.36%           
=======================================
  Files          87       87           
  Lines        5500     5500           
=======================================
  Hits         2220     2220           
  Misses       3082     3082           
  Partials      198      198           

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