Bump express-rate-limit from 6.7.1 to 6.8.1

Bumps [express-rate-limit](https://github.com/express-rate-limit/express-rate-limit) from 6.7.1 to 6.8.1.
- [Release notes](https://github.com/express-rate-limit/express-rate-limit/releases)
- [Changelog](https://github.com/express-rate-limit/express-rate-limit/blob/main/changelog.md)
- [Commits](express-rate-limit/express-rate-limit@v6.7.1...v6.8.1)

---
updated-dependencies:
- dependency-name: express-rate-limit
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

package.json

@@ -67,7 +67,7 @@
     "ejs": "^3.1.9",
     "exit-hook": "^3.2.0",
     "express": "^4.18.2",
-    "express-rate-limit": "^6.7.1",
+    "express-rate-limit": "^6.8.1",
     "express-session": "^1.17.3",
     "http-errors": "^2.0.0",
     "mssql": "^9.1.1",