Bump github.com/sirupsen/logrus from 1.8.0 to 1.8.1

Bumps [github.com/sirupsen/logrus](https://github.com/sirupsen/logrus) from 1.8.0 to 1.8.1.
- [Release notes](https://github.com/sirupsen/logrus/releases)
- [Changelog](https://github.com/sirupsen/logrus/blob/master/CHANGELOG.md)
- [Commits](https://github.com/sirupsen/logrus/compare/v1.8.0...v1.8.1)

Signed-off-by: dependabot-preview[bot] <support@dependabot.com>
Signed-off-by: Daniel J Walsh <dwalsh@redhat.com>

vendor/github.com/sirupsen/logrus/entry.go

@@ -261,7 +261,15 @@ func (entry *Entry) log(level Level, msg string) {
 }
 
 func (entry *Entry) fireHooks() {
-	err := entry.Logger.Hooks.Fire(entry.Level, entry)
+	var tmpHooks LevelHooks
+	entry.Logger.mu.Lock()
+	tmpHooks = make(LevelHooks, len(entry.Logger.Hooks))
+	for k, v := range entry.Logger.Hooks {
+		tmpHooks[k] = v
+	}
+	entry.Logger.mu.Unlock()
+
+	err := tmpHooks.Fire(entry.Level, entry)
 	if err != nil {
 		fmt.Fprintf(os.Stderr, "Failed to fire hook: %v\n", err)
 	}