build(deps-dev): bump flake8-requirements from 1.7.7 to 1.7.8 (#723)

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]

requirements-dev.txt

@@ -4,6 +4,6 @@ flake8==6.0.0
 flake8-bandit==4.1.1
 flake8-bugbear==23.5.9
 flake8-import-order==0.18.2
-flake8-requirements==1.7.7
+flake8-requirements==1.7.8
 mypy==1.3.0
 sphinx==7.0.1