feat(forgejo): Added postgres connection details

otc/central-forgejo.think-ahead.cloud/stacks/core/forgejo/values.yaml

@@ -44,10 +44,30 @@ gitea:
         secretKeyRef:
           name: redis-forgejo-cloud-credentials
           key: connection-string
+    - name: FORGEJO__database__HOST
+      valueFrom:
+        secretKeyRef:
+          name: postgres-forgejo-cloud-credentials
+          key: host
+    - name: FORGEJO__database__NAME
+      valueFrom:
+        secretKeyRef:
+          name: postgres-forgejo-cloud-credentials
+          key: name
+    - name: FORGEJO__database__USER
+      valueFrom:
+        secretKeyRef:
+          name: postgres-forgejo-cloud-credentials
+          key: user
 
   admin:
     existingSecret: gitea-credential
 
+  database:
+    builtIn:
+      postgresql:
+        enabled: false
+
   config:
     storage:
       MINIO_ENDPOINT: obs.eu-de.otc.t-systems.com:443
@@ -74,7 +94,7 @@ gitea:
       SHOW_FOOTER_TEMPLATE_LOAD_TIME: false
 
     database:
-      DB_TYPE: sqlite3
+      DB_TYPE: postgres
 
     server:
       DOMAIN: 'gitea.central-forgejo.think-ahead.cloud'