Update pytest-flake8 requirement from ~=1.1.0 to ~=1.1.1

Updates the requirements on [pytest-flake8](https://github.com/tholo/pytest-flake8) to permit the latest version.
- [Release notes](https://github.com/tholo/pytest-flake8/releases)
- [Changelog](https://github.com/tholo/pytest-flake8/blob/master/CHANGELOG)
- [Commits](tholo/pytest-flake8@1.1.0...1.1.1)

---
updated-dependencies:
- dependency-name: pytest-flake8
  dependency-type: direct:production
...

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

Author: dependabot[bot]

requirements_test.txt

@@ -52,7 +52,7 @@ jax[cpu]==0.3.4
 
 # other
 pytest~=7.0.1
-pytest-flake8~=1.1.0
+pytest-flake8~=1.1.1
 pytest-mock~=3.7.0
 pytest-cov~=3.0.0
 codecov~=2.1.12