Bump cloud.google.com/go/pubsub from 1.21.1 to 1.22.2

Bumps [cloud.google.com/go/pubsub](https://github.com/googleapis/google-cloud-go) from 1.21.1 to 1.22.2.
- [Release notes](https://github.com/googleapis/google-cloud-go/releases)
- [Changelog](https://github.com/googleapis/google-cloud-go/blob/main/CHANGES.md)
- [Commits](https://github.com/googleapis/google-cloud-go/compare/pubsub/v1.21.1...pubsub/v1.22.2)

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

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

go.mod

@@ -3,8 +3,8 @@ module github.com/chrislusf/seaweedfs
 go 1.18
 
 require (
-	cloud.google.com/go v0.100.2 // indirect
-	cloud.google.com/go/pubsub v1.21.1
+	cloud.google.com/go v0.102.0 // indirect
+	cloud.google.com/go/pubsub v1.22.2
 	cloud.google.com/go/storage v1.22.1
 	github.com/Azure/azure-pipeline-go v0.2.3
 	github.com/Azure/azure-storage-blob-go v0.15.0