chore(deps-dev): bump @babel/core in /api.planx.uk (#2515)

Bumps [@babel/core](https://github.com/babel/babel/tree/HEAD/packages/babel-core) from 7.22.10 to 7.23.5.
- [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/v7.23.5/packages/babel-core)

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

Signed-off-by: dependabot[bot] <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

api.planx.uk/package.json

@@ -67,7 +67,7 @@
     ]
   },
   "devDependencies": {
-    "@babel/core": "^7.22.10",
+    "@babel/core": "^7.23.5",
     "@babel/preset-typescript": "^7.23.2",
     "@types/adm-zip": "^0.5.0",
     "@types/body-parser": "^1.19.2",