Update bandit requirement from >=1.7.9 to >=1.9.4

Updates the requirements on [bandit](https://github.com/PyCQA/bandit) to permit the latest version.
- [Release notes](https://github.com/PyCQA/bandit/releases)
- [Commits](PyCQA/bandit@1.7.9...1.9.4)

---
updated-dependencies:
- dependency-name: bandit
  dependency-version: 1.9.4
  dependency-type: direct:development
...

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

Author: dependabot[bot]

requirements-dev.txt

@@ -1,5 +1,5 @@
 flake8>=6.0.0
-bandit[toml]>=1.7.9
+bandit[toml]>=1.9.4
 pytest>=9.1.1
 pytest-cov>=4.1.0