chore(main): release 3.18.0 (#776)

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

Author: release-please[bot]

CHANGELOG.md

@@ -4,6 +4,20 @@
 
 [1]: https://pypi.org/project/google-cloud-spanner/#history
 
+## [3.18.0](https://github.com/googleapis/python-spanner/compare/v3.17.0...v3.18.0) (2022-08-12)
+
+
+### Features
+
+* Add ListDatabaseRoles API to support role based access control ([#774](https://github.com/googleapis/python-spanner/issues/774)) ([3867882](https://github.com/googleapis/python-spanner/commit/3867882a14c9a2edeb4a47d5a77ec10b2e8e35da))
+
+
+### Bug Fixes
+
+* **deps:** allow protobuf < 5.0.0 ([eee5f31](https://github.com/googleapis/python-spanner/commit/eee5f31b2fe977d542c711831f4e6d06f743fab4))
+* **deps:** require proto-plus >= 1.22.0 ([eee5f31](https://github.com/googleapis/python-spanner/commit/eee5f31b2fe977d542c711831f4e6d06f743fab4))
+* target new spanner db admin service config ([8c73cb3](https://github.com/googleapis/python-spanner/commit/8c73cb3ff1093996dfd88a2361e7c73cad321fd6))
+
 ## [3.17.0](https://github.com/googleapis/python-spanner/compare/v3.16.0...v3.17.0) (2022-07-19)
 
 

setup.py

@@ -22,7 +22,7 @@
 
 name = "google-cloud-spanner"
 description = "Cloud Spanner API client library"
-version = "3.17.0"
+version = "3.18.0"
 # Should be one of:
 # 'Development Status :: 3 - Alpha'
 # 'Development Status :: 4 - Beta'