- Fix all errcheck issues (unhandled errors for Close(), Fprintln, etc.)
- Fix gosec issues with appropriate nolint comments for test code
- Fix misspell issues and add nolint for GitLab API field names
- Fix revive issues (dot-imports in tests, missing package comments)
- Fix staticcheck and testifylint issues
- Add package comments where required by linter
This enables updating golangci-lint-action from v6 to v8 in the workflow.
* Add argument for enabling same origin check for websocket connections
* Remove else clause and outdent return
* Add unit test for websocket origin check
