Updated values.yaml to specify the version of postgres in tag.

Author: manavgup

charts/mcp-stack/values.yaml

@@ -43,8 +43,8 @@ mcpContextForge:
 postgres:
   enabled: true
   image:
-    repository: postgres:17
-    tag: "10.1"
+    repository: postgres
+    tag: "17"
     pullPolicy: IfNotPresent
   service:
     type: ClusterIP