Bump pyflakes from 3.3.2 to 3.4.0 (#2658)

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

Author: dependabot[bot]

requirements.txt

@@ -9,7 +9,7 @@ Jinja2==3.1.6
 libmozdata==0.2.10
 numpy==2.2.4
 pep8==1.7.1
-pyflakes==3.3.2
+pyflakes==3.4.0
 python-dateutil>=2.8.2
 python-Levenshtein>=0.12.0
 pytz>=2018.9