Bump mongodb from 3.5.6 to 3.5.7

Bumps [mongodb](https://github.com/mongodb/node-mongodb-native) from 3.5.6 to 3.5.7.
- [Release notes](https://github.com/mongodb/node-mongodb-native/releases)
- [Changelog](https://github.com/mongodb/node-mongodb-native/blob/master/CHANGES_3.0.0.md)
- [Commits](https://github.com/mongodb/node-mongodb-native/compare/v3.5.6...v3.5.7)

Signed-off-by: dependabot-preview[bot] <support@dependabot.com>

package-lock.json

@@ -5329,9 +5329,9 @@
       }
     },
     "mongodb": {
-      "version": "3.5.6",
-      "resolved": "https://registry.npmjs.org/mongodb/-/mongodb-3.5.6.tgz",
-      "integrity": "sha512-sh3q3GLDLT4QmoDLamxtAECwC3RGjq+oNuK1ENV8+tnipIavss6sMYt77hpygqlMOCt0Sla5cl7H4SKCVBCGEg==",
+      "version": "3.5.7",
+      "resolved": "https://registry.npmjs.org/mongodb/-/mongodb-3.5.7.tgz",
+      "integrity": "sha512-lMtleRT+vIgY/JhhTn1nyGwnSMmJkJELp+4ZbrjctrnBxuLbj6rmLuJFz8W2xUzUqWmqoyVxJLYuC58ZKpcTYQ==",
       "requires": {
         "bl": "^2.2.0",
         "bson": "^1.1.4",