chore: release 1.2.1 (#125)

🤖 I have created a release \*beep\* \*boop\*
---
### [1.2.1](https://www.github.com/googleapis/python-datalabeling/compare/v1.2.0...v1.2.1) (2021-07-20)


### Bug Fixes

* **deps:** pin 'google-{api,cloud}-core', 'google-auth' to allow 2.x versions ([#123](https://www.github.com/googleapis/python-datalabeling/issues/123)) ([d5cd5da](https://www.github.com/googleapis/python-datalabeling/commit/d5cd5daebf98404e57f43fc910f7bb478d910044))
---


This PR was generated with [Release Please](https://github.com/googleapis/release-please). See [documentation](https://github.com/googleapis/release-please#release-please).

Author: release-please[bot]

CHANGELOG.md

@@ -4,6 +4,13 @@
 
 [1]: https://pypi.org/project/google-cloud-datalabeling/#history
 
+### [1.2.1](https://www.github.com/googleapis/python-datalabeling/compare/v1.2.0...v1.2.1) (2021-07-20)
+
+
+### Bug Fixes
+
+* **deps:** pin 'google-{api,cloud}-core', 'google-auth' to allow 2.x versions ([#123](https://www.github.com/googleapis/python-datalabeling/issues/123)) ([d5cd5da](https://www.github.com/googleapis/python-datalabeling/commit/d5cd5daebf98404e57f43fc910f7bb478d910044))
+
 ## [1.2.0](https://www.github.com/googleapis/python-datalabeling/compare/v1.1.0...v1.2.0) (2021-07-12)
 
 

setup.py

@@ -21,7 +21,7 @@
 
 name = "google-cloud-datalabeling"
 description = "Data Labeling API client library"
-version = "1.2.0"
+version = "1.2.1"
 release_status = "Development Status :: 4 - Beta"
 dependencies = [
     # NOTE: Maintainers, please do not require google-api-core>=2.x.x