Bump reviewdog/action-flake8 from 3.3.1 to 3.4 (#104)

Bumps [reviewdog/action-flake8](https://github.com/reviewdog/action-flake8) from 3.3.1 to 3.4.
- [Release notes](https://github.com/reviewdog/action-flake8/releases)
- [Changelog](https://github.com/reviewdog/action-flake8/blob/master/CHANGELOG.md)
- [Commits](reviewdog/action-flake8@29b3cb2...d226b6d)

---
updated-dependencies:
- dependency-name: reviewdog/action-flake8
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <[email protected]>

Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]

.github/workflows/reviewdog.yaml

@@ -33,7 +33,7 @@ jobs:
       - uses: actions/setup-python@7f80679172b057fc5e90d70d197929d454754a5a # renovate: tag=v2
         with:
           python-version: "3.9"
-      - uses: reviewdog/action-flake8@29b3cb2cb65b42f0d6bf5597a5fe6d610f376328 # tag=v3.3.1
+      - uses: reviewdog/action-flake8@d226b6d49826ce00b5b9291fa387cd171c113860 # tag=v3.3.1
         with:
           github_token: ${{ secrets.GITHUB_TOKEN }}