chore(deps): update dependency mongodb-memory-server to v6.6.3 (#418)

Co-authored-by: Renovate Bot <[email protected]>

Author: renovate[bot]

package-lock.json

@@ -50,7 +50,7 @@
     "isomorphic-fetch": "2.2.1",
     "lint-staged": "10.2.11",
     "mongodb": "3.5.9",
-    "mongodb-memory-server": "6.6.2",
+    "mongodb-memory-server": "6.6.3",
     "nyc": "15.1.0",
     "prettier": "1.19.1",
     "riteway": "6.1.1",