Update mongodb driver to 3.7.3

Author: lorand-horvath

package.json

@@ -23,7 +23,7 @@
     "@types/mongodb": "^3.5.27",
     "bson": "^1.1.4",
     "kareem": "2.3.2",
-    "mongodb": "3.7.2",
+    "mongodb": "3.7.3",
     "mongoose-legacy-pluralize": "1.0.2",
     "mpath": "0.8.4",
     "mquery": "3.2.5",