ci: Add a 30-minute timeout to the doc-build job

[klmcadams]

No description provided.

[github-actions]

The documentation for this pull request will be available at https://mechanical.docs.pyansys.com/pull/1338. Please allow some time for the documentation to be deployed.

[codacy-production]

Coverage summary from Codacy

See diff coverage on Codacy

Coverage variation	Diff coverage
✅ -0.08% (target: -1.00%)	✅ ∅

Coverage variation details

	Coverable lines	Covered lines	Coverage
Common ancestor commit (6cde491)	2558	2095	81.90%
Head commit (3c2c883)	2558 (+0)	2093 (-2)	81.82% (-0.08%)

Coverage variation is the difference between the coverage for the head and common ancestor commits of the pull request branch: <coverage of head commit> - <coverage of common ancestor commit>

Diff coverage details

	Coverable lines	Covered lines	Diff coverage
Pull request (#1338)	0	0	∅ (not applicable)

Diff coverage is the percentage of lines that are covered by tests out of the coverable lines that the pull request added or modified: <covered lines added or modified>/<coverable lines added or modified> * 100%

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[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 81.82%. Comparing base (6cde491) to head (3c2c883).
⚠️ Report is 1 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #1338      +/-   ##
==========================================
- Coverage   81.89%   81.82%   -0.08%     
==========================================
  Files          39       39              
  Lines        2558     2558              
==========================================
- Hits         2095     2093       -2     
- Misses        463      465       +2     

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