Bump objection from 2.2.17 to 2.2.18

Bumps [objection](https://github.com/vincit/objection.js) from 2.2.17 to 2.2.18.
- [Release notes](https://github.com/vincit/objection.js/releases)
- [Commits](Vincit/objection.js@2.2.17...2.2.18)

---
updated-dependencies:
- dependency-name: objection
  dependency-type: direct:development
  update-type: version-update:semver-patch
...

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

package.json

@@ -29,7 +29,7 @@
     "lint-staged": "11.2.6",
     "node-notifier": "^10.0.0",
     "npm-run-all": "^4.1.5",
-    "objection": "2.2.17",
+    "objection": "2.2.18",
     "objection-table-name": "^1.2.5",
     "pg": "^8.7.1",
     "skip-ci": "^1.0.4"