chore(deps): update umbrella chart dependency updates

Author: renovate[bot]

kubernetes/umbrella-charts/external-secrets-operator/Chart.yaml

@@ -5,5 +5,5 @@ type: application
 version: 0.2.0
 dependencies:
   - name: external-secrets
-    version: 1.3.2
+    version: 2.9.0
     repository: https://charts.external-secrets.io

kubernetes/umbrella-charts/mealie/Chart.yaml

@@ -7,7 +7,7 @@ dependencies:
   - name: app-template
     alias: mealie
     repository: https://bjw-s-labs.github.io/helm-charts/
-    version: 4.6.2
+    version: 5.0.1
   - name: postgresql
     repository: oci://registry-1.docker.io/bitnamicharts
-    version: 16.7.27
+    version: 18.8.6