cleanup: update golangci-lint to v2

[tylerauerbeck]

Changes

Bumps golangci-lint to latest v2

Submitter Checklist

These are the criteria that every PR should meet, please check them off as you review them:

• [X] Includes tests (if functionality changed/added)
• [X] Run the code checkers with make check
• [X] Regenerate the manpages, docs and go formatting with make generated
• [X] Commit messages follow commit message best practices

See the contribution guide for more details.

Release Notes

NONE