fix: RDS 엔드포인트 수정

Author: lvalentine6

.github/workflows/deploy-prod.yml

@@ -117,7 +117,7 @@ jobs:
         run: |
           aws ssm put-parameter \
             --name "/prod/RDS_ENDPOINT" \
-            --value "jdbc:mysql://${{ env.RDS_ENDPOINT }}:3306/eatda?useUnicode=true&characterEncoding=UTF-8" \
+            --value "jdbc:mysql://${{ env.RDS_ENDPOINT }}/eatda?useUnicode=true&characterEncoding=UTF-8" \
             --type SecureString \
             --overwrite