Prepare release v1.42.0

[justsmth]

Description of changes:

Prepare release v1.42.0.

By submitting this pull request, I confirm that my contribution is made under the terms of the Apache 2.0 license and the ISC license.

[codecov-commenter]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 78.74%. Comparing base (71809b1) to head (259e724).

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #2094      +/-   ##
==========================================
- Coverage   78.74%   78.74%   -0.01%     
==========================================
  Files         598      598              
  Lines      103656   103657       +1     
  Branches    14718    14719       +1     
==========================================
- Hits        81628    81627       -1     
- Misses      21374    21377       +3     
+ Partials      654      653       -1     

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