Update version to 3.3.0-beta.6 and redis dependency

Author: doxthree

charts/vaas/Chart.yaml

@@ -1,14 +1,14 @@
 apiVersion: v2
 name: vaas
-version: 3.3.0
+version: 3.3.0-beta.6
 description: Deployment of a Verdict-as-a-Service on-premise instance
 maintainers:
   - name: G DATA CyberDefense AG
     email: oem@gdata.de
 type: application
 dependencies:
   - name: redis
-    version: 0.17.5
+    version: 0.20.6
     condition: redis.enabled
     repository: oci://registry-1.docker.io/cloudpirates
   - name: mini-identity-provider