fix: projects/download GeeksForGeeks articles/requirements.txt to reduce vulnerabilities

The following vulnerabilities are fixed by pinning transitive dependencies:
- https://snyk.io/vuln/SNYK-PYTHON-URLLIB3-10390193
- https://snyk.io/vuln/SNYK-PYTHON-URLLIB3-10390194

Author: snyk-bot

projects/download GeeksForGeeks articles/requirements.txt

@@ -1,3 +1,4 @@
 requests==2.24.0
 selenium==3.141.0
-webdriver-manager==3.2.2
+webdriver-manager==3.2.2
+urllib3>=2.5.0 # not directly required, pinned by Snyk to avoid a vulnerability