chore(main): release 2.31.0 (#1426)

Co-authored-by: release-please[bot] <55107282+release-please[bot]@users.noreply.github.com>

Author: release-please[bot]

.release-please-manifest.json

@@ -1,4 +1,4 @@
 {
-    ".": "2.30.0"
+    ".": "2.31.0"
 }
 

CHANGELOG.md

@@ -5,6 +5,18 @@
 [1]: https://pypi.org/project/google-cloud-pubsub/#history
 
 
+## [2.31.0](https://github.com/googleapis/python-pubsub/compare/v2.30.0...v2.31.0) (2025-06-26)
+
+
+### Features
+
+* Add MessageTransformationFailureReason to IngestionFailureEvent ([#1427](https://github.com/googleapis/python-pubsub/issues/1427)) ([8ab13e1](https://github.com/googleapis/python-pubsub/commit/8ab13e1b71c151f0146548e7224dd38c9d719a88))
+
+
+### Bug Fixes
+
+* Surface Fatal Stream Errors to Future; Adjust Retryable Error Codes ([#1422](https://github.com/googleapis/python-pubsub/issues/1422)) ([e081beb](https://github.com/googleapis/python-pubsub/commit/e081beb29056035304d365ec9c50fa7ffbac6886))
+
 ## [2.30.0](https://github.com/googleapis/python-pubsub/compare/v2.29.1...v2.30.0) (2025-06-07)
 
 

google/pubsub/gapic_version.py

@@ -13,4 +13,4 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 #
-__version__ = "2.30.0"  # {x-release-please-version}
+__version__ = "2.31.0"  # {x-release-please-version}

google/pubsub_v1/gapic_version.py

@@ -13,4 +13,4 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 #
-__version__ = "2.30.0"  # {x-release-please-version}
+__version__ = "2.31.0"  # {x-release-please-version}

samples/generated_samples/snippet_metadata_google.pubsub.v1.json

@@ -8,7 +8,7 @@
     ],
     "language": "PYTHON",
     "name": "google-cloud-pubsub",
-    "version": "0.1.0"
+    "version": "2.31.0"
   },
   "snippets": [
     {