fix: ::stop-commands:: should continue to print the lines (#920)

> This special command allows you to log anything without accidentally running a workflow command.
https://docs.github.com/en/actions/learn-github-actions/workflow-commands-for-github-actions#stopping-and-starting-workflow-commands

Example: https://github.com/ZauberNerd/act-test/runs/4469496818?check_suite_focus=true#step:8:10

pkg/runner/command.go

@@ -36,6 +36,7 @@ func (rc *RunContext) commandHandler(ctx context.Context) common.LineHandler {
 		}
 
 		if resumeCommand != "" && command != resumeCommand {
+			logger.Infof("  \U00002699  %s", line)
 			return false
 		}
 		arg = unescapeCommandData(arg)