Merge branch 'renovate/redis-15.x' into 'main'

Update Helm release redis to v15.6.0

See merge request !71

Chart.yaml

@@ -15,7 +15,7 @@ dependencies:
       - mysql
     alias: database
   - name: redis
-    version: 15.5.5
+    version: 15.6.0
     repository: "https://charts.bitnami.com/bitnami"
     condition: redis.enabled
     tags: