Merge pull request #30740 from yongtang/29999-prune-filter-label

Add `label` filter for `docker system prune`
Upstream-commit: ec9d4dbdc6
Component: cli

components/cli/command/container/prune.go

@@ -49,7 +49,7 @@ const warning = `WARNING! This will remove all stopped containers.
 Are you sure you want to continue?`
 
 func runPrune(dockerCli *command.DockerCli, opts pruneOptions) (spaceReclaimed uint64, output string, err error) {
-	pruneFilters := opts.filter.Value()
+	pruneFilters := command.PruneFilters(dockerCli, opts.filter.Value())
 
 	if !opts.force && !command.PromptForConfirmation(dockerCli.In(), dockerCli.Out(), warning) {
 		return