Bump firebase-tools from 11.22.0 to 13.7.3 in /functions (#90)

Bumps [firebase-tools](https://github.com/firebase/firebase-tools) from 11.22.0 to 13.7.3.
- [Release notes](https://github.com/firebase/firebase-tools/releases)
- [Commits](firebase/firebase-tools@v11.22.0...v13.7.3)

---
updated-dependencies:
- dependency-name: firebase-tools
  dependency-type: direct:development
  update-type: version-update:semver-major
...

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functions/package.json

@@ -27,7 +27,7 @@
     "eslint-config-prettier": "^9.1.0",
     "eslint-plugin-prettier": "^4.2.1",
     "firebase-functions-test": "^3.2.0",
-    "firebase-tools": "^11.22.0",
+    "firebase-tools": "^13.7.3",
     "jest": "^29.7.0",
     "prettier": "2.8.8",
     "ts-jest": "^29.1.2",