chore(deps): bump multer

Bumps the npm_and_yarn group with 1 update in the /demos/extractor directory: [multer](https://github.com/expressjs/multer).


Updates `multer` from 2.1.0 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@v2.1.0...v2.1.1)

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

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

Author: dependabot[bot]

demos/extractor/package.json

@@ -18,7 +18,7 @@
   "dependencies": {
     "express": "^4.18.2",
     "cors": "^2.8.5",
-    "multer": "2.1.0",
+    "multer": "2.1.1",
     "pdf-data-extractor": "^1.0.1"
   },
   "devDependencies": {