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* chore: prevent normalization of semver versioning* chore: update workaround to make sic work

chore: add SECURITY.md

This PR migrates from autosynth to [owl bot](https://github.com/googleapis/repo-automation-bots/tree/master/packages/owl-bot).  owl bot will save time for maintainers as it will automatically open PRs when there are updates in [googleapis-gen](https://github.com/googleapis/googleapis-gen/tree/master/google) without requiring maintainers to run `synthtool` to build the client from protos. Additionally, similar to autosynth, PRs will be automatically opened when there are template updates.

PiperOrigin-RevId: 373649163Source-Link:googleapis/googleapis@7e1b14eSource-Link:https://github.com/googleapis/googleapis-gen/commit/0a3c7d272d697796db75857bac73905c68e498c3fix: add async client to %name_%version/init.pychore: add autogenerated snippetschore: remove auth, policy, and options from the reserved names listfeat: support self-signed JWT flow for service accountschore: enable GAPIC metadata generationchore: sort subpackages in %namespace/%name/init.py

Add packaging requirement. packaging.version              is used for a version comparison in transports/base.py and is needed after the upgrade to gapic-generator-python 0.46.3

gcr.io/repo-automation-bots/owlbot-python:latest@sha256:4c981a6b6f2b8914a448d7b3a01688365be03e3ed26dfee399a6aa77fb112eaa

Thank you for opening a Pull Request! Before submitting your PR, there are a few things you can do to make sure it goes smoothly:- [x] Make sure to open an issue as a [bug/issue](https://github.com/googleapis/python-functions/issues/new/choose) before writing your code!  That way we can discuss the change, evaluate designs, and agree on the general idea- [x] Ensure the tests and linter pass- [x] Code coverage does not decrease (if any source code was changed)- [x] Appropriate docs were updated (if necessary)Fixes#52  🦕

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🤖 I have created a release \*beep\* \*boop\*---## [0.6.0](https://www.github.com/googleapis/python-functions/compare/v0.5.1...v0.6.0) (2021-05-28)### Features* support self-signed JWT flow for service accounts ([167f431](https://www.github.com/googleapis/python-functions/commit/167f43144f4f9c5ef88a68bd880ec47a3062a3b6))### Bug Fixes* add async client to %name_%version/init.py ([167f431](https://www.github.com/googleapis/python-functions/commit/167f43144f4f9c5ef88a68bd880ec47a3062a3b6))* **deps:** add packaging requirement ([#62](https://www.github.com/googleapis/python-functions/issues/62)) ([1384f55](https://www.github.com/googleapis/python-functions/commit/1384f55b4e35f6263d42639667c4a38ab1689b16))* use correct default retry and timeout ([#42](https://www.github.com/googleapis/python-functions/issues/42)) ([8c7db91](https://www.github.com/googleapis/python-functions/commit/8c7db919535193151ed52465a3038d3ac72d701e))---This PR was generated with [Release Please](https://github.com/googleapis/release-please). See [documentation](https://github.com/googleapis/release-please#release-please).