googleapis/google-cloud-rust release-20260212 on GitHub

Breaking changes

google-cloud-pubsub: the preview version includes the following changes.
- cleanup(pubsub)!: rename PublishHandle to PublishFuture by @suzmue in #4636
- cleanup(pubsub)!: remove explicit nack by @haphungw in #4549
- cleanup(pubsub)!: rename PubsubMessage -> Message by @dbolduc in #4634

feat(pubsub): add simple Publisher builder by @suzmue in #4343
docs(pubsub): improve setter documenations for publisher by @suzmue in #4438
fix(pubsub): remove unnecessary worker spawn by @PhongChuong in #4444
docs(gax): fix rustdoc warnings by @coryan in #4453
feat(auth): add retry to mds idtoken provider by @alvarowolfx in #4256
fix(pubsub): nack messages when handler is dropped by @haphungw in #4548
docs(storage): add samples for generate signed urls by @joshuatants in #4525
fix(pubsub): retry acks when channel closes by @dbolduc in #4575
feat(pubsub): include subscription name in StreamingPull header by @haphungw in #4585
docs(storage): include into_stream adapter by @dbolduc in #4594
feat(pubsub): implement into_stream for a Session by @haphungw in #4590
docs(pubsub): link types in publisher builder doc comments by @suzmue in #4615
docs(pubsub): match the Publisher to other client comment style by @suzmue in #4617
fix(pubsub): change error return type for publish to Arc by @suzmue in #4620
feat(storage): prepare for LRO returning Empty by @coryan in #4633
docs(pubsub): handler examples by @dbolduc in #4639
docs(pubsub): note on ordered delivery by @dbolduc in #4640
fix(pubsub): handle shutdown behavior for publisher by @suzmue in #4622
fix: token cache exits after exhaustive retries by @alvarowolfx in #4551
docs(pubsub): add exactly-once disclaimer by @dbolduc in #4649
docs: Generate sample for List RPCs by @amanda-tarafa in #4641

Full Changelog: release-20260128...release-20260212