MAINT: Bump pycodestyle from 2.7.0 to 2.8.0

Bumps [pycodestyle](https://github.com/PyCQA/pycodestyle) from 2.7.0 to 2.8.0.
- [Release notes](https://github.com/PyCQA/pycodestyle/releases)
- [Changelog](https://github.com/PyCQA/pycodestyle/blob/main/CHANGES.txt)
- [Commits](PyCQA/pycodestyle@2.7.0...2.8.0)

---
updated-dependencies:
- dependency-name: pycodestyle
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

Author: dependabot[bot]

linter_requirements.txt

@@ -1,2 +1,2 @@
-pycodestyle==2.7.0
+pycodestyle==2.8.0
 GitPython==3.1.13