⬆️ Update image dpage/pgadmin4 to 6.20

| datasource | package        | from | to   |
| ---------- | -------------- | ---- | ---- |
| docker     | dpage/pgadmin4 | 6.19 | 6.20 |

kubernetes/apps/default/pgadmin/app/helmrelease.yaml

@@ -29,7 +29,7 @@ spec:
   values:
     image:
       repository: dpage/pgadmin4
-      tag: "6.19"
+      tag: "6.20"
     env:
       PGADMIN_CONFIG_ENHANCED_COOKIE_PROTECTION: "False"
     envFrom:
@@ -37,7 +37,7 @@ spec:
           name: *app
     initContainers:
       volume-permissions:
-        image: dpage/pgadmin4:6.19
+        image: dpage/pgadmin4:6.20
         command: ["/bin/chown", "-R", "5050:5050", "/var/lib/pgadmin"]
         volumeMounts:
           - name: config