Release 2.1.1 docs (#3833)

[ciarams87]

Update for docs for release 2.1.1

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 86.96%. Comparing base (542f3af) to head (23c89aa).
⚠️ Report is 1 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #3834      +/-   ##
==========================================
- Coverage   86.99%   86.96%   -0.04%     
==========================================
  Files         128      128              
  Lines       16434    16434              
  Branches       62       62              
==========================================
- Hits        14297    14292       -5     
- Misses       1960     1964       +4     
- Partials      177      178       +1     

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