chore: release 2.2.0 (#293)

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

Author: release-please[bot]

CHANGELOG.md

@@ -4,6 +4,13 @@
 
 [1]: https://pypi.org/project/google-api-core/#history
 
+## [2.2.0](https://www.github.com/googleapis/python-api-core/compare/v2.1.1...v2.2.0) (2021-10-25)
+
+
+### Features
+
+* add 'GoogleAPICallError.error_details' property ([#286](https://www.github.com/googleapis/python-api-core/issues/286)) ([ef6f0fc](https://www.github.com/googleapis/python-api-core/commit/ef6f0fcfdfe771172056e35e3c990998b3b00416))
+
 ### [2.1.1](https://www.github.com/googleapis/python-api-core/compare/v2.1.0...v2.1.1) (2021-10-13)
 
 

google/api_core/version.py

@@ -12,4 +12,4 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-__version__ = "2.1.1"
+__version__ = "2.2.0"