fix: update database connection to Volcano Engine MySQL

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

k8s/api-deployment-prod.yaml

@@ -21,17 +21,17 @@ spec:
         ports:
         - containerPort: 8002
         env:
-        # PostgreSQL Database
+        # MySQL Database (Volcano Engine RDS)
         - name: DB_HOST
-          value: "pgm-7xv4811oj11j86htzo.pg.rds.aliyuncs.com"
+          value: "192.168.0.131"
         - name: DB_PORT
-          value: "5432"
+          value: "3306"
         - name: DB_NAME
           value: "log_center"
         - name: DB_USER
-          value: "log_center"
+          value: "zyc"
         - name: DB_PASSWORD
-          value: "JogNQdtrd3WY8CBCAiYfYEGx"
+          value: "Zyc188208"
         # Gitea Token（URL 从 PR URL 自动解析）
         - name: GITEA_TOKEN
           value: "443f7f2f556b4832f90e46df9af3e21ccb06b8a3"