build(deps): bump @firebase/firestore from 2.1.5 to 2.2.0

Bumps [@firebase/firestore](https://github.com/firebase/firebase-js-sdk/tree/HEAD/packages/firestore) from 2.1.5 to 2.2.0.
- [Release notes](https://github.com/firebase/firebase-js-sdk/releases)
- [Changelog](https://github.com/firebase/firebase-js-sdk/blob/master/packages/firestore/CHANGELOG.md)
- [Commits](https://github.com/firebase/firebase-js-sdk/commits/@firebase/firestore@2.2.0/packages/firestore)

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

package.json

@@ -46,7 +46,7 @@
   },
   "dependencies": {
     "@babel/runtime": "^7.12.13",
-    "@firebase/firestore": "^2.1.5",
+    "@firebase/firestore": "^2.2.0",
 
     "@material-ui/core": "^4.11.0",
     "@material-ui/icons": "^4.11.2",