Update apollo-server to the latest version 🚀 (#6578)

* fix(package): update apollo-server-express to version 2.12.0

* chore(package): update lockfile package-lock.json

Co-authored-by: greenkeeper[bot] <23040076+greenkeeper[bot]@users.noreply.github.com>

Author: greenkeeper[bot]

package-lock.json

@@ -24,7 +24,7 @@
     "@parse/push-adapter": "3.2.0",
     "@parse/s3-files-adapter": "1.4.0",
     "@parse/simple-mailgun-adapter": "1.1.0",
-    "apollo-server-express": "2.11.0",
+    "apollo-server-express": "2.12.0",
     "bcryptjs": "2.4.3",
     "body-parser": "1.19.0",
     "commander": "5.0.0",