Bump express from 4.21.2 to 4.22.0

Bumps [express](https://github.com/expressjs/express) from 4.21.2 to 4.22.0.
- [Release notes](https://github.com/expressjs/express/releases)
- [Changelog](https://github.com/expressjs/express/blob/4.22.0/History.md)
- [Commits](expressjs/express@4.21.2...4.22.0)

---
updated-dependencies:
- dependency-name: express
  dependency-version: 4.22.0
  dependency-type: direct:production
...

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]

firestore/solution-scheduled-backups/package.json

@@ -16,7 +16,7 @@
   "dependencies": {
     "axios": "^1.4.0",
     "dateformat": "^5.0.3",
-    "express": "^4.18.2",
+    "express": "^4.22.0",
     "googleapis": "^118.0.0"
   },
   "devDependencies": {