fix(package): update pg-promise to version 7.3.2 (parse-community#4362)

Author: greenkeeper[bot]

package.json

@@ -34,7 +34,7 @@
     "mongodb": "2.2.33",
     "multer": "1.3.0",
     "parse": "1.10.2",
-    "pg-promise": "7.3.1",
+    "pg-promise": "7.3.2",
     "redis": "2.8.0",
     "request": "2.83.0",
     "semver": "5.4.1",