Bump pyflakes from 3.3.2 to 3.4.0

Bumps [pyflakes](https://github.com/PyCQA/pyflakes) from 3.3.2 to 3.4.0.
- [Changelog](https://github.com/PyCQA/pyflakes/blob/main/NEWS.rst)
- [Commits](PyCQA/pyflakes@3.3.2...3.4.0)

---
updated-dependencies:
- dependency-name: pyflakes
  dependency-version: 3.4.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]

requirements.txt

@@ -8,7 +8,7 @@ psycopg[binary]==3.2.9
 versiontools==1.9.1
 statsd==4.0.1
 pep8==1.7.1
-pyflakes==3.3.2
+pyflakes==3.4.0
 mccabe==0.7.0
 configparser==7.2.0
 importlib-metadata==8.7.0