Bump go.mongodb.org/mongo-driver from 1.12.0 to 1.12.1 (#4735)

Bumps [go.mongodb.org/mongo-driver](https://github.com/mongodb/mongo-go-driver) from 1.12.0 to 1.12.1.
- [Release notes](https://github.com/mongodb/mongo-go-driver/releases)
- [Commits](https://github.com/mongodb/mongo-go-driver/compare/v1.12.0...v1.12.1)

---
updated-dependencies:
- dependency-name: go.mongodb.org/mongo-driver
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

go.mod

@@ -107,7 +107,7 @@ require (
 	github.com/xdg-go/stringprep v1.0.4 // indirect
 	github.com/youmark/pkcs8 v0.0.0-20201027041543-1326539a0a0a // indirect
 	go.etcd.io/etcd/client/v3 v3.5.9
-	go.mongodb.org/mongo-driver v1.12.0
+	go.mongodb.org/mongo-driver v1.12.1
 	go.opencensus.io v0.24.0 // indirect
 	gocloud.dev v0.32.0
 	gocloud.dev/pubsub/natspubsub v0.32.0