chore(main): release 3.13.1

Author: release-please[bot]

CHANGELOG.md

@@ -4,6 +4,13 @@
 
 [1]: https://pypi.org/project/google-cloud-spanner/#history
 
+### [3.13.1](https://github.com/googleapis/python-spanner/compare/v3.13.0...v3.13.1) (2022-02-26)
+
+
+### Documentation
+
+* add generated snippets ([#680](https://github.com/googleapis/python-spanner/issues/680)) ([f21dac4](https://github.com/googleapis/python-spanner/commit/f21dac4c47cb6a6a85fd282b8e5de966b467b1b6))
+
 ## [3.13.0](https://github.com/googleapis/python-spanner/compare/v3.12.1...v3.13.0) (2022-02-04)
 
 

setup.py

@@ -22,7 +22,7 @@
 
 name = "google-cloud-spanner"
 description = "Cloud Spanner API client library"
-version = "3.13.0"
+version = "3.13.1"
 # Should be one of:
 # 'Development Status :: 3 - Alpha'
 # 'Development Status :: 4 - Beta'