Update Helm release postgresql to v12.12.4

charts/shlink-backend/Chart.yaml

@@ -2,7 +2,7 @@ apiVersion: v2
 name: shlink-backend
 description: A PHP-based self-hosted URL shortener that can be used to serve shortened URLs under your own domain.
 type: application
-version: 2.11.1
+version: 2.11.2
 appVersion: "3.6.3"
 home: https://github.com/christianknell/helm-charts
 icon: https://shlink.io/images/shlink-logo-blue.svg
@@ -23,7 +23,7 @@ dependencies:
     condition: mysql.enabled
   - name: postgresql
     repository: https://charts.bitnami.com/bitnami
-    version: 12.10.0
+    version: 12.12.4
     condition: postgresql.enabled
   - name: rabbitmq
     repository: https://charts.bitnami.com/bitnami