refactor: upgrade mongodb from 4.7.0 to 4.8.1 (#8148)

Author: snyk-bot

package-lock.json

@@ -43,7 +43,7 @@
     "lodash": "4.17.21",
     "lru-cache": "7.12.0",
     "mime": "3.0.0",
-    "mongodb": "4.7.0",
+    "mongodb": "4.8.1",
     "mustache": "4.2.0",
     "parse": "3.4.2",
     "pg-monitor": "1.4.1",