Enable linters for `enforce-switch-style` & `redundant-test-main-exit`#4496

wandering-salesman wants to merge 2 commits intocontainerd:maincontainerd/nerdctl:mainfrom

wandering-salesman:refactor/resolve-linting-issueswandering-salesman/nerdctl:refactor/resolve-linting-issuesCopy head branch name to clipboard