chore(main): release 1.2.0 (#215)

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
 
+## [1.2.0](https://github.com/googleapis/python-spanner-sqlalchemy/compare/v1.1.0...v1.2.0) (2022-06-03)
+
+
+### Features
+
+* allow SQLAlchemy 1.4 use ([#198](https://github.com/googleapis/python-spanner-sqlalchemy/issues/198)) ([7793b7d](https://github.com/googleapis/python-spanner-sqlalchemy/commit/7793b7ddfcbd99e966e3ef6f7ec13d7dc04d39fb))
+
 ## [1.1.0](https://github.com/googleapis/python-spanner-sqlalchemy/compare/v1.0.0...v1.1.0) (2022-01-28)
 
 

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__ = "1.1.0"
+__version__ = "1.2.0"