update Helm documentation

Author: github-actions[bot]

helm/defectdojo/Chart.yaml

@@ -34,4 +34,4 @@ dependencies:
 #     description: Critical bug
 annotations:
   artifacthub.io/prerelease: "true"
-  artifacthub.io/changes: ""
+  artifacthub.io/changes: "- kind: changed\n  description: Update valkey Docker tag from 0.18.0 to v0.19.0 (_/defect_/Chart.yaml)\n"

helm/defectdojo/README.md

@@ -525,7 +525,7 @@ A Helm chart for Kubernetes to install DefectDojo
 
 | Repository | Name | Version |
 |------------|------|---------|
-| oci://registry-1.docker.io/cloudpirates | valkey | 0.18.0 |
+| oci://registry-1.docker.io/cloudpirates | valkey | 0.19.0 |
 | oci://us-docker.pkg.dev/os-public-container-registry/defectdojo | postgresql | 16.7.27 |
 
 ## Values