refactor: Upgrade pg-promise from 12.2.0 to 12.6.0 (parse-community#10031)

Author: cbaker6

package-lock.json

@@ -51,7 +51,7 @@
     "parse": "8.0.3",
     "path-to-regexp": "8.3.0",
     "pg-monitor": "3.0.0",
-    "pg-promise": "12.2.0",
+    "pg-promise": "12.6.0",
     "pluralize": "8.0.0",
     "punycode": "2.3.1",
     "rate-limit-redis": "4.2.0",