chore: Release v2.0.0 (googleapis#64)

* chore: release v2.0.0

* Update CHANGELOG.md

* Replace PROJECT_ID with GOOGLE_CLOUD_PROJECT in test

* Do not add google.cloud.bigquery as namespace package

* Install the library as non-editable in tests

This avoids import errors from google.cloud.bigquery.* namespace.

* Fix test coverage plugin paths

* Regenerate code with different namespace (bigquery_storage)

* Adjust import paths to bigquery_storage namespace

* Adjust docs to bigquery_storage namespace

* Adjust UPGRADING guide to changed namespace

Co-authored-by: Tim Swast <swast@google.com>

chore: release 1.1.0 (googleapis#55)

* chore: release v1.1.0

* Declare Python 3.8 compatibility in metadata.

* Mention CODEOWENERS change in changelog

chore: release 1.0.0 (googleapis#35)

🤖 I have created a release \*beep\* \*boop\* 
---
## [1.0.0](https://www.github.com/googleapis/python-bigquery-storage/compare/v0.8.0...v1.0.0) (2020-06-04)


### Bug Fixes

* handle consuming streams with no data ([googleapis#29](https://www.github.com/googleapis/python-bigquery-storage/issues/29)) ([56d1b1f](https://www.github.com/googleapis/python-bigquery-storage/commit/56d1b1fd75965669f5a4d10e5b00671c276eda88))
* update pyarrow references that are warning ([googleapis#31](https://www.github.com/googleapis/python-bigquery-storage/issues/31)) ([5302481](https://www.github.com/googleapis/python-bigquery-storage/commit/5302481d9f0ee07630ae62ed7268e510bcaa5d84))
---


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

chore: release 0.8.0 (googleapis#13)

* updated CHANGELOG.md [ci skip]

* updated setup.py [ci skip]

Release 0.7.0 (#8861)

Release bigquery_storage 0.6.0 (#8649)

* Release 0.6.0

* Update bigquery_storage/CHANGELOG.md

Co-Authored-By: Tres Seaver <tseaver@palladion.com>

Release bigquery_storage 0.5.0 (#8038)

* Release 0.5.0

* Remove #7879 and #7921 from changelog, since they cancel out.

Release 0.4.0 (#7716)

Release 0.3.0 (#7649)

Release bigquery_storage 0.2.0 (#7210)

* Release 0.2.0

* Remove extra line item