build(deps): bump flake8 from 5.0.4 to 7.0.0

Bumps [flake8](https://github.com/pycqa/flake8) from 5.0.4 to 7.0.0.
- [Commits](PyCQA/flake8@5.0.4...7.0.0)

---
updated-dependencies:
- dependency-name: flake8
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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

requirements.txt

@@ -7,7 +7,7 @@ clickhouse-driver==0.2.6
 confluent-kafka==2.3.0
 datadog==0.21.0
 devservices==0.0.4
-flake8==5.0.4
+flake8==7.0.0
 Flask==2.2.5
 google-cloud-storage==2.18.0
 googleapis-common-protos==1.63.2