FIX(k8s): correct PostgreSQL secret name

- Change postgresql-password to postgresql-root-password
- Fix secret reference

deploy/k8s/base/deployment.yaml

@@ -44,8 +44,8 @@ spec:
         - name: POSTGRES_PASSWORD
           valueFrom:
             secretKeyRef:
-              name: postgresql-password
-              key: postgres-password
+              name: postgresql-root-password
+              key: password
         - name: REDIS_URL
           value: "redis://redis:6379/0"
         resources:

deploy/k8s/overlays/prod/kustomization.yaml

@@ -15,5 +15,5 @@ commonLabels:
 # 이미지 태그 설정 (ArgoCD Image Updater가 자동으로 업데이트)
 images:
   - name: gitea0213.kro.kr/bluemayne/mas
-    newTag: main-sha-9d051351250bca2b735c2200498297b1b578631c
+    newTag: main-sha-ccbe901e78179cad08afa758446baff8776d7d94