build: fail rtd on warnings

[martinkim0]

No description provided.

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 88.90%. Comparing base (3087178) to head (099350d).
Report is 1 commits behind head on main.

❗ Current head 099350d differs from pull request most recent head 6f8e2a4. Consider uploading reports for the commit 6f8e2a4 to get more accurate results

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #2743      +/-   ##
==========================================
- Coverage   88.90%   88.90%   -0.01%     
==========================================
  Files         161      161              
  Lines       13339    13318      -21     
==========================================
- Hits        11859    11840      -19     
+ Misses       1480     1478       -2     

see 5 files with indirect coverage changes