Add code coverage ignore file

[AzulRadio]

Signed-off-by: youhy [email protected]

New feature

Part of gz-sim#1575

Summary

Add coverage.ignore.in to ignore vendor code in code coverage report. See gz-cmake#279 for detail.

Ignore profiler/src/Remotery and graphics/src/tiny_obj_loader.h

Increase the coverage from ~74% -> ~79%

Before

After

Test it

Checklist

• Signed all commits for DCO
• Added tests
• Added example and/or tutorial
• Updated documentation (as needed)
• Updated migration guide (as needed)
• Consider updating Python bindings (if the library has them)
• codecheck passed (See contributing)
• All tests passed (See test coverage)
• While waiting for a review on your PR, please help review another open pull request to support the maintainers

Note to maintainers: Remember to use Squash-Merge and edit the commit message to match the pull request summary while retaining Signed-off-by messages.

[codecov]

Codecov Report

Merging #394 (3358efb) into ign-common3 (88bde3d) will increase coverage by 1.89%.
The diff coverage is n/a.

❗ Current head 3358efb differs from pull request most recent head a54a6da. Consider uploading reports for the commit a54a6da to get more accurate results

@@               Coverage Diff               @@
##           ign-common3     #394      +/-   ##
===============================================
+ Coverage        76.63%   78.52%   +1.89%     
===============================================
  Files               73       72       -1     
  Lines            10425     9244    -1181     
===============================================
- Hits              7989     7259     -730     
+ Misses            2436     1985     -451     

Impacted Files	Coverage Δ
graphics/src/tiny_obj_loader.h

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