build: remove golangci-lint

chore: fix linter errors

fix: remove false positive error log about missing annotation

fix: remove false positive error log about missing annotation

build: upgrade dependencies

refactor(metrics): replace unused label with used_by_pods

chore: remove unused parts of credentialprovider

fix: remove references to already removed field RegistryMonitor.statu…

…s.registryStatus

fix: don't create the same RegistryMonitor twice

fix(helm): better default values for registry monitors and metrics