Update dependency promise-mysql to v4 (GoogleCloudPlatform#1349)

renovate-bot · fhinkel · commit 86b4af7b6966 · 2019-06-10T14:03:25.000-04:00
diff --git a/cloud-sql/mysql/mysql/package.json b/cloud-sql/mysql/mysql/package.json
@@ -20,7 +20,7 @@
     "@google-cloud/logging-winston": "^0.11.0",
     "body-parser": "1.19.0",
     "express": "^4.17.1",
-    "promise-mysql": "^3.3.1",
+    "promise-mysql": "^4.0.0",
     "prompt": "^1.0.0",
     "pug": "^2.0.3",
     "winston": "^3.1.0"
