docs: Add golangci-lint v2 support documentation and migration guide #406#495

devdattatalele wants to merge 2 commits intocoderabbitai:maincoderabbitai/coderabbit-docs:mainfrom

devdattatalele:fix-issue-406-20250811-204433devdattatalele/coderabbit-docs:fix-issue-406-20250811-204433Copy head branch name to clipboard