Upgrade chart dependencies

Author: elemental-lf

charts/benji/Chart.yaml

@@ -1,17 +1,17 @@
 apiVersion: v2
 description: Benji Backup for Kubernetes
 name: benji
-version: 1.2.0
+version: 2.0.0
 maintainers:
   - name: Elemental
     email: [email protected]
 dependencies:
   - name: postgresql
-    version: ^11.9.8
+    version: ^12.2.6
     repository: https://charts.bitnami.com/bitnami
     condition: postgresql.enabled
   - name: prometheus-pushgateway
     alias: pushgateway
-    version: ^1.20.0
+    version: ^2.1.3
     repository: https://prometheus-community.github.io/helm-charts
     condition: pushgateway.enabled