chore(main): release 2.8.0 (#381)

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

Author: release-please[bot]

CHANGELOG.md

@@ -4,6 +4,14 @@
 
 [1]: https://pypi.org/project/google-api-core/#history
 
+## [2.8.0](https://github.com/googleapis/python-api-core/compare/v2.7.3...v2.8.0) (2022-05-18)
+
+
+### Features
+
+* adds support for audience in client_options ([#379](https://github.com/googleapis/python-api-core/issues/379)) ([c97c498](https://github.com/googleapis/python-api-core/commit/c97c4980125a86f384cdf12720df7bb1a2adf9d2))
+* adds support for audience in client_options. ([c97c498](https://github.com/googleapis/python-api-core/commit/c97c4980125a86f384cdf12720df7bb1a2adf9d2))
+
 ### [2.7.3](https://github.com/googleapis/python-api-core/compare/v2.7.2...v2.7.3) (2022-04-29)
 
 

google/api_core/version.py

@@ -12,4 +12,4 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-__version__ = "2.7.3"
+__version__ = "2.8.0"