* chore: delete owlbot.py

* test: increase code coverage

* 🦉 Updates from OwlBot

See https://github.com/googleapis/repo-automation-bots/blob/main/packages/owl-bot/README.md

Co-authored-by: Owl Bot <gcf-owl-bot[bot]@users.noreply.github.com>

Source-Link: googleapis/synthtool@949c010
Post-Processor: gcr.io/cloud-devrel-public-resources/owlbot-python:latest@sha256:17723e4df0cdd8d4508547ee517df2287af52c9d3f26a91e897bc618f73ec293

Co-authored-by: Owl Bot <gcf-owl-bot[bot]@users.noreply.github.com>

#133)

Source-Link: googleapis/synthtool@7fd61f8
Post-Processor: gcr.io/cloud-devrel-public-resources/owlbot-python:latest@sha256:4ee57a76a176ede9087c14330c625a71553cf9c72828b2c0ca12f5338171ba60

Co-authored-by: Owl Bot <gcf-owl-bot[bot]@users.noreply.github.com>

- [ ] Regenerate this pull request now.

docs: list oneofs in docstring
fix(deps): require google-api-core >= 1.28.0
fix(deps): drop packaging dependency

committer: busunkim96@
PiperOrigin-RevId: 406468269

Source-Link: googleapis/googleapis@83d81b0

Source-Link: https://github.com/googleapis/googleapis-gen/commit/2ff001fbacb9e77e71d734de5f955c05fdae8526
Copy-Tag: eyJwIjoiLmdpdGh1Yi8uT3dsQm90LnlhbWwiLCJoIjoiMmZmMDAxZmJhY2I5ZTc3ZTcxZDczNGRlNWY5NTVjMDVmZGFlODUyNiJ9

added support for python 3.9

Co-authored-by: Anthonios Partheniou <[email protected]>

🤖 I have created a release \*beep\* \*boop\*
---
### [1.3.1](https://www.github.com/googleapis/python-bigquery-connection/compare/v1.3.0...v1.3.1) (2021-11-02)


### Bug Fixes

* **deps:** drop packaging dependency ([826da22](https://www.github.com/googleapis/python-bigquery-connection/commit/826da22f591ab1c16eadf3a53cc8476e04577f40))
* **deps:** require google-api-core >= 1.28.0 ([826da22](https://www.github.com/googleapis/python-bigquery-connection/commit/826da22f591ab1c16eadf3a53cc8476e04577f40))


### Documentation

* list oneofs in docstring ([826da22](https://www.github.com/googleapis/python-bigquery-connection/commit/826da22f591ab1c16eadf3a53cc8476e04577f40))
---


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