fix: automation/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

automation/requirements.txt

@@ -4,5 +4,5 @@ dockerfile-parse
 requests-html
 GitPython
 lxml-html-clean>=0.4.0
-urllib3==2.0.7
+urllib3==2.5.0
 websockets>=10.0 # not directly required, pinned by Snyk to avoid a vulnerability