Bump multer from 1.4.5-lts.1 to 2.1.1

Bumps [multer](https://github.com/expressjs/multer) from 1.4.5-lts.1 to 2.1.1.
- [Release notes](https://github.com/expressjs/multer/releases)
- [Changelog](https://github.com/expressjs/multer/blob/main/CHANGELOG.md)
- [Commits](expressjs/multer@v1.4.5-lts.1...v2.1.1)

---
updated-dependencies:
- dependency-name: multer
  dependency-version: 2.1.1
  dependency-type: direct:production
...

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

Author: dependabot[bot]

package-lock.json

@@ -113,7 +113,7 @@
     "jsonschema": "1.4.1",
     "keycloak-connect": "^26.1.1",
     "moment": "2.30.1",
-    "multer": "1.4.5-lts.1",
+    "multer": "2.1.1",
     "mysql2": "3.10.1",
     "nconf": "0.12.1",
     "node-fetch-npm": "^2.0.4",