fix: requirements/requirements_dev.txt to reduce vulnerabilities

The following vulnerabilities are fixed by pinning transitive dependencies:
- https://snyk.io/vuln/SNYK-PYTHON-REQUESTS-10305723

Author: snyk-bot

requirements/requirements_dev.txt

@@ -8,4 +8,5 @@ coveralls>=1.6.0
 dbus-python
 -r ../requirements.txt
 urllib3>=2.2.2 # not directly required, pinned by Snyk to avoid a vulnerability
-zipp>=3.19.1 # not directly required, pinned by Snyk to avoid a vulnerability
+zipp>=3.19.1 # not directly required, pinned by Snyk to avoid a vulnerability
+requests>=2.32.4 # not directly required, pinned by Snyk to avoid a vulnerability