chore: Update generation configuration at Thu Jan 30 02:20:12 UTC 2025 (#3619)

* chore: Update generation configuration at Thu Jan 30 02:20:12 UTC 2025

* chore: generate libraries at Thu Jan 30 02:20:45 UTC 2025

Author: cloud-java-bot

README.md

@@ -504,6 +504,7 @@ Samples are in the [`samples/`](https://github.com/googleapis/java-spanner/tree/
 | Async Transaction Manager Example | [source code](https://github.com/googleapis/java-spanner/blob/main/samples/snippets/src/main/java/com/example/spanner/AsyncTransactionManagerExample.java) | [![Open in Cloud Shell][shell_img]](https://console.cloud.google.com/cloudshell/open?git_repo=https://github.com/googleapis/java-spanner&page=editor&open_in_editor=samples/snippets/src/main/java/com/example/spanner/AsyncTransactionManagerExample.java) |
 | Batch Sample | [source code](https://github.com/googleapis/java-spanner/blob/main/samples/snippets/src/main/java/com/example/spanner/BatchSample.java) | [![Open in Cloud Shell][shell_img]](https://console.cloud.google.com/cloudshell/open?git_repo=https://github.com/googleapis/java-spanner&page=editor&open_in_editor=samples/snippets/src/main/java/com/example/spanner/BatchSample.java) |
 | Batch Write At Least Once Sample | [source code](https://github.com/googleapis/java-spanner/blob/main/samples/snippets/src/main/java/com/example/spanner/BatchWriteAtLeastOnceSample.java) | [![Open in Cloud Shell][shell_img]](https://console.cloud.google.com/cloudshell/open?git_repo=https://github.com/googleapis/java-spanner&page=editor&open_in_editor=samples/snippets/src/main/java/com/example/spanner/BatchWriteAtLeastOnceSample.java) |
+| Change Streams Txn Exclusion Sample | [source code](https://github.com/googleapis/java-spanner/blob/main/samples/snippets/src/main/java/com/example/spanner/ChangeStreamsTxnExclusionSample.java) | [![Open in Cloud Shell][shell_img]](https://console.cloud.google.com/cloudshell/open?git_repo=https://github.com/googleapis/java-spanner&page=editor&open_in_editor=samples/snippets/src/main/java/com/example/spanner/ChangeStreamsTxnExclusionSample.java) |
 | Copy Backup Sample | [source code](https://github.com/googleapis/java-spanner/blob/main/samples/snippets/src/main/java/com/example/spanner/CopyBackupSample.java) | [![Open in Cloud Shell][shell_img]](https://console.cloud.google.com/cloudshell/open?git_repo=https://github.com/googleapis/java-spanner&page=editor&open_in_editor=samples/snippets/src/main/java/com/example/spanner/CopyBackupSample.java) |
 | Copy Backup With Multi Region Encryption Key | [source code](https://github.com/googleapis/java-spanner/blob/main/samples/snippets/src/main/java/com/example/spanner/CopyBackupWithMultiRegionEncryptionKey.java) | [![Open in Cloud Shell][shell_img]](https://console.cloud.google.com/cloudshell/open?git_repo=https://github.com/googleapis/java-spanner&page=editor&open_in_editor=samples/snippets/src/main/java/com/example/spanner/CopyBackupWithMultiRegionEncryptionKey.java) |
 | Create Backup With Encryption Key | [source code](https://github.com/googleapis/java-spanner/blob/main/samples/snippets/src/main/java/com/example/spanner/CreateBackupWithEncryptionKey.java) | [![Open in Cloud Shell][shell_img]](https://console.cloud.google.com/cloudshell/open?git_repo=https://github.com/googleapis/java-spanner&page=editor&open_in_editor=samples/snippets/src/main/java/com/example/spanner/CreateBackupWithEncryptionKey.java) |

generation_config.yaml

@@ -1,5 +1,5 @@
 gapic_generator_version: 2.52.0
-googleapis_commitish: 280725e991516d4a0f136268faf5aa6d32d21b54
+googleapis_commitish: 2a3db2e19f48a139db9f40278c0217df110add9b
 libraries_bom_version: 26.53.0
 libraries:
   - api_shortname: spanner