chore(main): release pubsub/v2 2.0.0 (googleapis#12573)

Author: release-please[bot]

.release-please-manifest-individual.json

@@ -10,7 +10,7 @@
   "logging": "1.13.0",
   "profiler": "0.4.3",
   "pubsub": "1.49.0",
-  "pubsub/v2": "0.0.0",
+  "pubsub/v2": "2.0.0",
   "pubsublite": "1.8.2",
   "spanner": "1.83.0",
   "storage": "1.55.0",

pubsub/v2/CHANGES.md

@@ -1 +1,21 @@
-# Changes
+# Changelog
+
+## 2.0.0 (2025-07-16)
+
+
+### Features
+
+* **pubsub/v2:** Add MessageTransformationFailureReason to IngestionFailureEvent ([208745b](https://github.com/googleapis/google-cloud-go/commit/208745bbc1f4fc9122ec71d6cf42f512ae570d13))
+* **pubsub/v2:** Add new v2 library ([#12218](https://github.com/googleapis/google-cloud-go/issues/12218)) ([c798f62](https://github.com/googleapis/google-cloud-go/commit/c798f62f908140686b8e2a365cccf9608fb5ab95))
+* **pubsub/v2:** Add SchemaViolationReason to IngestionFailureEvent ([d8ae687](https://github.com/googleapis/google-cloud-go/commit/d8ae6874a54b48fce49968664f14db63c055c6e2))
+* **pubsub/v2:** Generate renamed go pubsub admin clients ([a95a0bf](https://github.com/googleapis/google-cloud-go/commit/a95a0bf4172b8a227955a0353fd9c845f4502411))
+* **pubsub/v2:** Release 2.0.0 ([#12568](https://github.com/googleapis/google-cloud-go/issues/12568)) ([704efce](https://github.com/googleapis/google-cloud-go/commit/704efce43ffd2e81e9fe8e19f7573913b86840e8))
+
+
+### Documentation
+
+* **pubsub/v2:** Document that the `acknowledge_confirmation` and `modify_ack_deadline_confirmation` fields in message `.google.pubsub.v1.StreamingPullResponse` are not guaranteed to be populated ([208745b](https://github.com/googleapis/google-cloud-go/commit/208745bbc1f4fc9122ec71d6cf42f512ae570d13))
+* **pubsub/v2:** Standardize spelling of "acknowledgment" in Pub/Sub protos ([d8ae687](https://github.com/googleapis/google-cloud-go/commit/d8ae6874a54b48fce49968664f14db63c055c6e2))
+* **pubsub/v2:** Update v2 package docs with migration guide ([#12564](https://github.com/googleapis/google-cloud-go/issues/12564)) ([5ef6068](https://github.com/googleapis/google-cloud-go/commit/5ef606838a84f1c56225fc4e33f4ee394eb34725))
+
+## Changes

pubsub/v2/internal/version.go

@@ -15,4 +15,4 @@
 package internal
 
 // Version is the current tagged release of the library.
-const Version = "0.0.0"
+const Version = "2.0.0"