fix: upgrade pg-promise from 11.5.4 to 11.9.1

Snyk has created this PR to upgrade pg-promise from 11.5.4 to 11.9.1.

See this package in npm:
pg-promise

See this project in Snyk:
https://app.snyk.io/org/acinader/project/c354db4d-ec51-46b5-8574-3238dc19f365?utm_source=github&utm_medium=referral&page=upgrade-pr

Author: snyk-bot

package-lock.json

@@ -51,7 +51,7 @@
     "parse": "4.2.0",
     "path-to-regexp": "6.2.2",
     "pg-monitor": "2.0.0",
-    "pg-promise": "11.5.4",
+    "pg-promise": "11.9.1",
     "pluralize": "8.0.0",
     "rate-limit-redis": "3.0.2",
     "redis": "4.6.13",