Bump concurrently from 7.6.0 to 9.1.0 in /Auth/LearningHub.Nhs.Auth

Bumps [concurrently](https://github.com/open-cli-tools/concurrently) from 7.6.0 to 9.1.0.
- [Release notes](https://github.com/open-cli-tools/concurrently/releases)
- [Commits](open-cli-tools/concurrently@v7.6.0...v9.1.0)

---
updated-dependencies:
- dependency-name: concurrently
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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

Author: dependabot[bot]

Auth/LearningHub.Nhs.Auth/package.json

@@ -20,7 +20,7 @@
   ],
   "dependencies": {
     "babel-polyfill": "^6.26.0",
-    "concurrently": "^7.2.0",
+    "concurrently": "^9.1.0",
     "core-js": "^3.6.5",
     "nhsuk-frontend": "^8.2.0",
     "node": "^12.19.1"