chore(deps): update dependencytrack/frontend docker tag to v4.9.1

Author: renovate[bot]

charts/dependency-track/values.yaml

@@ -7,7 +7,7 @@ frontend:
 
   image:
     repository: dependencytrack/frontend
-    tag: 4.6.1
+    tag: 4.9.1
     pullPolicy: IfNotPresent
 
   podAnnotations: {}