chore(server): downscale sql proxy (#13393)

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<!-- This is an auto-generated comment: release notes by coderabbit.ai
-->
## Summary by CodeRabbit

* **Chores**
  * Reduced the number of gcloud-sql-proxy replicas from 3 to 2.
* Lowered memory and CPU resource limits for the gcloud-sql-proxy
container.
  * Added resource requests to optimize container performance.
<!-- end of auto-generated comment: release notes by coderabbit.ai -->

.github/helm/affine/charts/gcloud-sql-proxy/values.yaml

@@ -1,4 +1,4 @@
-replicaCount: 3
+replicaCount: 2
 enabled: false
 database: 
   connectionName: ""
@@ -33,8 +33,11 @@ service:
 
 resources:
   limits:
-    memory: "4Gi"
+    memory: "1Gi"
-    cpu: "2"
+    cpu: "1"
+  requests:
+    memory: "512Mi"
+    cpu: "100m"
 
 volumes: []
 volumeMounts: []