[release-3.6] Bump bbolt to v1.4.2

[ivanvc]

Bumps bbolt to v1.4.2.

cc. @ahrtr

Please read https://github.com/etcd-io/etcd/blob/main/CONTRIBUTING.md#contribution-flow.

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 68.85%. Comparing base (95bae9d) to head (a0c087f).
Report is 2 commits behind head on release-3.6.

Additional details and impacted files

see 37 files with indirect coverage changes

@@               Coverage Diff               @@
##           release-3.6   #20267      +/-   ##
===============================================
- Coverage        68.89%   68.85%   -0.04%     
===============================================
  Files              418      417       -1     
  Lines            35591    35520      -71     
===============================================
- Hits             24520    24457      -63     
+ Misses            9653     9624      -29     
- Partials          1418     1439      +21     

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[ahrtr]

LGTM & thx

[k8s-ci-robot]

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