chore(deps): bump gocloud.dev/pubsub/rabbitpubsub from 0.41.0 to 0.42.0 (#6952)

Bumps [gocloud.dev/pubsub/rabbitpubsub](https://github.com/google/go-cloud) from 0.41.0 to 0.42.0.
- [Release notes](https://github.com/google/go-cloud/releases)
- [Commits](https://github.com/google/go-cloud/compare/v0.41.0...v0.42.0)

---
updated-dependencies:
- dependency-name: gocloud.dev/pubsub/rabbitpubsub
  dependency-version: 0.42.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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go.mod

@@ -99,7 +99,7 @@ require (
 	go.opencensus.io v0.24.0 // indirect
 	gocloud.dev v0.42.0
 	gocloud.dev/pubsub/natspubsub v0.42.0
-	gocloud.dev/pubsub/rabbitpubsub v0.41.0
+	gocloud.dev/pubsub/rabbitpubsub v0.42.0
 	golang.org/x/crypto v0.39.0
 	golang.org/x/exp v0.0.0-20250606033433-dcc06ee1d476
 	golang.org/x/image v0.28.0