Bump firebase-functions from 6.3.2 to 7.0.2

Bumps [firebase-functions](https://github.com/firebase/firebase-functions) from 6.3.2 to 7.0.2.
- [Release notes](https://github.com/firebase/firebase-functions/releases)
- [Commits](firebase/firebase-functions@v6.3.2...v7.0.2)

---
updated-dependencies:
- dependency-name: firebase-functions
  dependency-version: 7.0.2
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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

Author: dependabot[bot]

firebase/functions/package.json

@@ -12,7 +12,7 @@
   "dependencies": {
     "@google-cloud/functions-framework": "^3.4.5",
     "firebase-admin": "^13.0.2",
-    "firebase-functions": "^6.3.0"
+    "firebase-functions": "^7.0.2"
   },
   "devDependencies": {
     "@firebase/functions-types": "^0.6.3"