chore(main): release 1.13.0 (googleapis#688)

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

Author: release-please[bot]

CHANGELOG.md

@@ -1,5 +1,12 @@
 # Changelog
 
+## [1.13.0](https://github.com/googleapis/python-spanner-sqlalchemy/compare/v1.12.0...v1.13.0) (2025-06-05)
+
+
+### Features
+
+* Introduce compatibility with native namespace packages ([#375](https://github.com/googleapis/python-spanner-sqlalchemy/issues/375)) ([052e699](https://github.com/googleapis/python-spanner-sqlalchemy/commit/052e699f82a795def518f4f0a32039e1c68174a0))
+
 ## [1.12.0](https://github.com/googleapis/python-spanner-sqlalchemy/compare/v1.11.1...v1.12.0) (2025-06-02)
 
 

google/cloud/sqlalchemy_spanner/version.py

@@ -4,4 +4,4 @@
 # license that can be found in the LICENSE file or at
 # https://developers.google.com/open-source/licenses/bsd
 
-__version__ = "1.12.0"
+__version__ = "1.13.0"