[bot] Update GitHub Action Versions

[Zeitsperre]

GitHub Actions Version Updates

• pypa/gh-action-pypi-publish published a new release v1.8.10 on 2023-08-10T21:04:42Z
• actions/github-script published a new release v6.4.1 on 2023-04-06T15:26:54Z
• github/codeql-action published a new release codeql-bundle-20230524 on 2023-05-24T16:01:13Z
• actions/checkout published a new release v3.6.0 on 2023-08-24T13:56:41Z
• mamba-org/setup-micromamba published a new release v1.4.3 on 2023-06-12T10:19:31Z
• peter-evans/find-comment published a new release v2.4.0 on 2023-04-25T05:28:28Z
• peter-evans/create-or-update-comment published a new release v3.0.2 on 2023-06-08T06:58:20Z
• actions/setup-python published a new release v4.7.0 on 2023-07-13T14:05:58Z
• xarray-contrib/issue-from-pytest-log published a new release v1.2.6 on 2023-01-21T16:01:10Z
• actions/labeler published a new release v4.3.0 on 2023-07-10T11:53:43Z
• actions/dependency-review-action published a new release v3.0.8 on 2023-08-15T08:11:04Z
• ad-m/github-push-action published a new release v0.6.0 on 2020-05-26T20:53:18Z

[github-actions]

Note
It appears that this PR modifies the XCLIM_TESTDATA_BRANCH environment variable to the most recent tag (v2023.6.28).

No further action is required.

[aulemahal]