build(deps): bump path-to-regexp and express in /function

Bumps [path-to-regexp](https://github.com/pillarjs/path-to-regexp) to 0.1.12 and updates ancestor dependency [express](https://github.com/expressjs/express). These dependencies need to be updated together.


Updates `path-to-regexp` from 0.1.10 to 0.1.12
- [Release notes](https://github.com/pillarjs/path-to-regexp/releases)
- [Changelog](https://github.com/pillarjs/path-to-regexp/blob/master/History.md)
- [Commits](pillarjs/path-to-regexp@v0.1.10...v0.1.12)

Updates `express` from 4.21.1 to 4.21.2
- [Release notes](https://github.com/expressjs/express/releases)
- [Changelog](https://github.com/expressjs/express/blob/4.21.2/History.md)
- [Commits](expressjs/express@4.21.1...4.21.2)

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

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

function/package.json

@@ -17,7 +17,7 @@
   "main": "lib/index.js",
   "dependencies": {
     "@genkit-ai/firebase": "^0.9.3 || ^1.0.0",
-    "express": "^4.21.1",
+    "express": "^4.21.2",
     "firebase-admin": "^12.1.0",
     "firebase-functions": "^5.0.0",
     "genkit": "^0.9.3 || ^1.0.0",