chore(deps): bump path-to-regexp and json-server in /mock-backend

Removes [path-to-regexp](https://github.com/pillarjs/path-to-regexp). It's no longer used after updating ancestor dependency [json-server](https://github.com/typicode/json-server). These dependencies need to be updated together.


Removes `path-to-regexp`

Updates `json-server` from 0.17.4 to 1.0.0-beta.2
- [Release notes](https://github.com/typicode/json-server/releases)
- [Commits](https://github.com/typicode/json-server/compare/v0.17.4...v1.0.0-beta.2)

---
updated-dependencies:
- dependency-name: path-to-regexp
  dependency-type: indirect
- dependency-name: json-server
  dependency-type: direct:production
...

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

mock-backend/package.json

@@ -13,7 +13,7 @@
   "license": "ISC",
   "dependencies": {
     "cors": "^2.8.5",
-    "json-server": "^0.17.4",
+    "json-server": "^1.0.0-beta.2",
     "uuid": "^9.0.1"
   },
   "devDependencies": {