Bump pytest-flake8 from 0.1 to 1.3.0

Bumps [pytest-flake8](https://github.com/coherent-oss/pytest-flake8) from 0.1 to 1.3.0.
- [Release notes](https://github.com/coherent-oss/pytest-flake8/releases)
- [Changelog](https://github.com/coherent-oss/pytest-flake8/blob/main/NEWS.rst)
- [Commits](coherent-oss/pytest-flake8@0.1...v1.3.0)

---
updated-dependencies:
- dependency-name: pytest-flake8
  dependency-version: 1.3.0
  dependency-type: direct:development
  update-type: version-update:semver-major
...

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

Author: dependabot[bot]