[CHANGE ME] Re-generated to pick up changes in the API or client library generator.

[yoshi-automation]

This PR was generated using Autosynth. 🌈

Commits in this repo since last synth:
af23e69 chore: release 1.10.2 (#425)
0ca0ee5 chore: add no cover for py2 collections import (#426)
c5a3395 fix: make collections import compatible across Python versions (#419)
f07fbe9 chore: release 1.10.1 (#420)
a57a770 fix: always pass body of type bytes to google.auth.transport.Request (#421)
af29c1a fix(google.auth.compute_engine.metadata): add retry to google.auth.compute_engine._metadata.get() (#398)
09001f9 chore: release 1.10.0 (#415)
32d71a5 feat: send quota project id in x-goog-user-project for OAuth2 credentials (#412)
011fabb docs: update project URL (#413)
091ed16 chore(deps): update dependency cachetools to v4 (#411)
04f1260 chore: release 1.9.0 (#410)
d86d7b8 feat: add timeout parameter to AuthorizedSession.request() (#406)
b7f7d7d chore: release 1.8.2 (#409)
25ea942 fix: revert "feat: send quota project id in x-goog-user-project header for OAuth2 credentials (#400)" (#407)
31efad9 chore: release 1.8.1 (#402)
451ecbd fix: revert "feat: add timeout to AuthorizedSession.request() (#397)" (#401)
d97b271 chore: release 1.8.0 (#399)
381dd40 feat: add timeout to AuthorizedSession.request() (#397)
ab3dc1e feat: send quota project id in x-goog-user-project header for OAuth2 credentials (#400)
bfb1f8c feat: add to_json method to google.oauth2.credentials.Credentials (#367)
7305072 chore: release 1.7.2 (#391)
3b5d3e2 fix: in token endpoint request, do not decode the response data if it is not encoded (#393)
0c33e9c fix: make gRPC auth plugin non-blocking + add default timeout value for requests transport (#390)
3a46178 chore: release 1.7.1 (#388)
7abcfd6 build: enable release-please (#378)
46bb58e fix: change 'internal_failure' condition to also use `error' field (#387)
e61a873 chore: remove unused badges, update author_email (#381)
597d7ba docs: fix note rendering for service_account_email (#385)
d3406b3 chore: release v1.7.0 (#380)
f0b4504 docs: change 'name' to distribution name (#379)

Log from Synthtool

synthtool > Executing /tmpfs/src/git/autosynth/working_repo/synth.py.
.coveragerc
.flake8
.github/CONTRIBUTING.md
.github/ISSUE_TEMPLATE/bug_report.md
.github/ISSUE_TEMPLATE/feature_request.md
.github/ISSUE_TEMPLATE/support_request.md
.github/PULL_REQUEST_TEMPLATE.md
.github/release-please.yml
.gitignore
.kokoro/build.sh
.kokoro/continuous/common.cfg
.kokoro/continuous/continuous.cfg
.kokoro/docs/common.cfg
.kokoro/docs/docs.cfg
.kokoro/presubmit/common.cfg
.kokoro/presubmit/presubmit.cfg
.kokoro/publish-docs.sh
.kokoro/release.sh
.kokoro/release/common.cfg
.kokoro/release/release.cfg
.kokoro/trampoline.sh
CODE_OF_CONDUCT.md
CONTRIBUTING.rst
LICENSE
MANIFEST.in
docs/_static/custom.css
docs/_templates/layout.html
docs/conf.py.j2
noxfile.py.j2
renovate.json
setup.cfg
synthtool > Wrote metadata to synth.metadata.

[tseaver]

Obsolete, e.g. see #515