Bump objection from 2.2.3 to 2.2.16

Bumps [objection](https://github.com/vincit/objection.js) from 2.2.3 to 2.2.16.
- [Release notes](https://github.com/vincit/objection.js/releases)
- [Commits](Vincit/objection.js@2.2.3...2.2.16)

---
updated-dependencies:
- dependency-name: objection
  dependency-type: direct:production
...

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]

package-lock.json

@@ -94,7 +94,7 @@
     "morgan": "^1.10.0",
     "mysql": "^2.18.1",
     "node-schedule": "^1.3.2",
-    "objection": "^2.2.3",
+    "objection": "^2.2.16",
     "objection-slug": "^1.1.1",
     "p-memoize": "^4.0.1",
     "parseurl": "^1.3.3",