Bump cloud.google.com/go/firestore in /hashira-web/functions (#816)

Bumps [cloud.google.com/go/firestore](https://github.com/googleapis/google-cloud-go) from 1.9.0 to 1.10.0.
- [Release notes](https://github.com/googleapis/google-cloud-go/releases)
- [Changelog](https://github.com/googleapis/google-cloud-go/blob/main/documentai/CHANGES.md)
- [Commits](googleapis/google-cloud-go@dlp/v1.9.0...kms/v1.10.0)

---
updated-dependencies:
- dependency-name: cloud.google.com/go/firestore
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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hashira-web/functions/go.mod

@@ -3,7 +3,7 @@ module github.com/pankona/hashira/hashira-web/functions
 go 1.16
 
 require (
-	cloud.google.com/go/firestore v1.9.0
+	cloud.google.com/go/firestore v1.10.0
 	firebase.google.com/go/v4 v4.11.0
 	github.com/google/go-cmp v0.5.9
 	google.golang.org/grpc v1.55.0