fix(deps): update dependency mongodb to v4.2.0 (#10011)

Co-authored-by: Renovate Bot <bot@renovateapp.com>

install/package.json

@@ -78,7 +78,7 @@
         "material-design-lite": "^1.3.0",
         "mime": "^2.5.2",
         "mkdirp": "^1.0.4",
-        "mongodb": "4.1.4",
+        "mongodb": "4.2.0",
         "morgan": "^1.10.0",
         "mousetrap": "^1.6.5",
         "multiparty": "4.2.2",