fix: News-Voice-Assistant/requirements.txt to reduce vulnerabilities

The following vulnerabilities are fixed by pinning transitive dependencies:
- https://snyk.io/vuln/SNYK-PYTHON-REQUESTS-5595532

Author: snyk-bot

News-Voice-Assistant/requirements.txt

@@ -6,7 +6,7 @@ gTTS==2.1.1
 gTTS-token==1.1.3
 idna==2.10
 newsapi-python==0.1.1
-requests==2.24.0
+requests==2.31.0
 six==1.15.0
 soupsieve==2.0.1
 urllib3==1.26.5