deps: update zlib to 1.3.1-6f9b4e6

[nodejs-github-bot]

This is an automated update of zlib to 1.3.1-6f9b4e6.

[nodejs-github-bot]

Review requested:

• @nodejs/security-wg

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 90.17%. Comparing base (92102c0) to head (9bb3f05).
Report is 2 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff             @@
##             main   #58150      +/-   ##
==========================================
- Coverage   90.18%   90.17%   -0.02%     
==========================================
  Files         630      630              
  Lines      186473   186473              
  Branches    36612    36613       +1     
==========================================
- Hits       168169   168150      -19     
- Misses      11116    11135      +19     
  Partials     7188     7188              

see 26 files with indirect coverage changes

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[nodejs-github-bot]

CI: https://ci.nodejs.org/job/node-test-pull-request/66578/