Update dependency boto3-stubs to v1.35.43

[renovate]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
boto3-stubs	==1.35.42 -> ==1.35.43

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Configuration

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[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 91.14%. Comparing base (1b0f95c) to head (c79d534).
Report is 28 commits behind head on main.

✅ All tests successful. No failed tests found.

Additional details and impacted files

@@            Coverage Diff             @@
##             main   #12808      +/-   ##
==========================================
- Coverage   91.18%   91.14%   -0.04%     
==========================================
  Files         596      596              
  Lines       61149    61149              
  Branches     6345     6345              
==========================================
- Hits        55756    55732      -24     
- Misses       3741     3766      +25     
+ Partials     1652     1651       -1     

see 2 files with indirect coverage changes