chore: release 1.4.3 (googleapis#71)

* updated CHANGELOG.md [ci skip]

* updated setup.cfg [ci skip]

* updated setup.py [ci skip]

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

chore: release 1.4.2 (googleapis#56)

* updated CHANGELOG.md [ci skip]

* updated setup.cfg [ci skip]

* updated setup.py [ci skip]

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

chore: release 1.4.1 (googleapis#54)

* updated CHANGELOG.md [ci skip]

* updated setup.cfg [ci skip]

* updated setup.py [ci skip]

* Update CHANGELOG.md

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

chore: release 1.4.0 (googleapis#42)

* updated CHANGELOG.md [ci skip]

* updated setup.py [ci skip]

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

chore: release 1.3.1 (googleapis#41)

🤖 I have created a release \*beep\* \*boop\* 
---
### [1.3.1](https://www.github.com/googleapis/python-pubsub/compare/v1.3.0...v1.3.1) (2020-02-28)


### Bug Fixes

* shutdown error on streaming pull callback error ([googleapis#40](https://www.github.com/googleapis/python-pubsub/issues/40)) ([552539e](https://www.github.com/googleapis/python-pubsub/commit/552539e7beb30833c39dd29bfcb0183a07895f97))
---


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

chore: release 1.3.0 (googleapis#27)

* updated CHANGELOG.md [ci skip]

* updated setup.py [ci skip]

chore: release 1.2.0 (googleapis#24)

* updated CHANGELOG.md [ci skip]

* updated setup.py [ci skip]

chore(pubsub): release 1.1.0 (#9950)

* Release 1.1.0

* Fix commit message formatting. Change version from 1.0.3 to 1.1.0 because the stop method was added to the publisher client.

chore(pubsub): release 1.0.2 (#9362)

* chore(pubsub): release 1.0.2

* Adjust release notes wording and grammar.

chore(pubsub): release PubSub 1.0.1 (#9331)

* Release PubSub 1.0.1