[v24.x] deps: update undici to 7.29.1

[nodejs-github-bot]

This is an automated update of undici to 7.29.1.

[nodejs-github-bot]

Review requested:

• @nodejs/security-wg

[nodejs-github-bot]

CI: https://ci.nodejs.org/job/node-test-pull-request/76971/

[mcollina]

lgtm

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 90.32%. Comparing base (9e39360) to head (aea6c0f).
⚠️ Report is 249 commits behind head on v24.x-staging.

Additional details and impacted files

@@                Coverage Diff                @@
##           v24.x-staging   #65789      +/-   ##
=================================================
+ Coverage          90.31%   90.32%   +0.01%     
=================================================
  Files                711      714       +3     
  Lines             228425   231840    +3415     
  Branches           43160    43950     +790     
=================================================
+ Hits              206293   209405    +3112     
- Misses             14090    14146      +56     
- Partials            8042     8289     +247     

see 171 files with indirect coverage changes

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[nodejs-github-bot]

CI: https://ci.nodejs.org/job/node-test-pull-request/76988/