Bump @babel/core in /AdminUI/LearningHub.Nhs.AdminUI

Bumps [@babel/core](https://github.com/babel/babel/tree/HEAD/packages/babel-core) from 7.27.3 to 7.28.5.
- [Release notes](https://github.com/babel/babel/releases)
- [Changelog](https://github.com/babel/babel/blob/main/CHANGELOG.md)
- [Commits](https://github.com/babel/babel/commits/v7.28.5/packages/babel-core)

---
updated-dependencies:
- dependency-name: "@babel/core"
  dependency-version: 7.28.5
  dependency-type: direct:development
  update-type: version-update:semver-minor
...

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

Author: dependabot[bot]

AdminUI/LearningHub.Nhs.AdminUI/package-lock.json

@@ -53,7 +53,7 @@
   },
   "devDependencies": {
     "@babel/preset-env": "^7.27.2",
-    "@babel/core": "^7.27.3",
+    "@babel/core": "^7.28.5",
     "@types/axios": "^0.14.0",
     "@types/bootstrap": "4.1.3",
     "@types/ckeditor": "4.9.10",