naked return in func `retrieveFetcher` with 29 lines of code (nakedret)

(*net/http.Client).Get must not be called (noctx)

issues found

Unexpected input(s) 'skip-go-installation', valid inputs are ['version', 'install-mode', 'working-directory', 'github-token', 'only-new-issues', 'skip-cache', 'skip-save-cache', 'problem-matchers', 'args', 'cache-invalidation-interval']