fix: requirements-dev.txt to reduce vulnerabilities

The following vulnerabilities are fixed by pinning transitive dependencies:
- https://snyk.io/vuln/SNYK-PYTHON-REQUESTS-6928867

requirements-dev.txt

@@ -55,7 +55,7 @@ pytest-xdist>=3.6.1
 execnet>=2.1.1
 
 # Requests (Connects to the contact's Tor Onion Service)
-requests>=2.31.0
+requests>=2.32.0
 certifi>=2024.2.2
 charset-normalizer==2.1.1
 idna>=3.7