[release-3.6] Bump go 1.26.7

[pjsharath28]

Part of #22329

[kubernetes-prow]

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[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 56.03%. Comparing base (bba6944) to head (6c24c60).
⚠️ Report is 3 commits behind head on release-3.6.

Additional details and impacted files

see 82 files with indirect coverage changes

@@               Coverage Diff               @@
##           release-3.6   #22334      +/-   ##
===============================================
- Coverage        56.07%   56.03%   -0.04%     
===============================================
  Files              402      405       +3     
  Lines            34555    34690     +135     
===============================================
+ Hits             19376    19439      +63     
- Misses           13570    13697     +127     
+ Partials          1609     1554      -55     

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[kubernetes-prow]

@pjsharath28: The following tests failed, say /retest to rerun all failed tests or /retest-required to rerun all mandatory failed tests:

Test name	Commit	Details	Required	Rerun command
pull-etcd-verify	6c24c60	link	true	/test pull-etcd-verify
pull-etcd-unit-test-386	6c24c60	link	true	/test pull-etcd-unit-test-386
pull-etcd-unit-test-amd64	6c24c60	link	true	/test pull-etcd-unit-test-amd64
pull-etcd-unit-test-arm64	6c24c60	link	true	/test pull-etcd-unit-test-arm64
pull-etcd-integration-2-cpu-amd64	6c24c60	link	true	/test pull-etcd-integration-2-cpu-amd64
pull-etcd-coverage-report	6c24c60	link	true	/test pull-etcd-coverage-report

Full PR test history. Your PR dashboard. Please help us cut down on flakes by linking to an open issue when you hit one in your PR.

Details

Instructions for interacting with me using PR comments are available here. If you have questions or suggestions related to my behavior, please file an issue against the kubernetes-sigs/prow repository. I understand the commands that are listed here.

[ivanvc]

golangci/golangci-lint info checking GitHub for tag 'v2.13.1'
golangci/golangci-lint info found version: 2.13.1 for v2.13.1/linux/amd64
golangci/golangci-lint err hash_sha256_verify checksum for '/tmp/tmp.emlbdcWykT/golangci-lint-2.13.1-linux-amd64.tar.gz' did not verify b17bfbc9d4aaa48be7f4f1ce3240bc3d8200c870c072bacf15c26219e2cfb9cc
fe0b55fc4464b71bcdb9fae1bc1b0cbc8ccf2d1b5ad372e178fdded14f83ce67 vs b17bfbc9d4aaa48be7f4f1ce3240bc3d8200c870c072bacf15c26219e2cfb9cc
PASSES="lint" ./scripts/test.sh
Running with --race
Starting at: Tue Aug 25 15:09:41 UTC 2026

Uhmmm. Maybe we need to update the golangci-lint version. Looks like that particular version is tainted 🤔

[kubernetes-prow]

PR needs rebase.

Details

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