fix: 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

requirements.txt

@@ -9,4 +9,4 @@ unidecode==1.1.1
 cairosvg==2.5.2
 moviepy==1.0.3
 numpy>=1.22.2 # not directly required, pinned by Snyk to avoid a vulnerability
-urllib3>=2.2.2 # not directly required, pinned by Snyk to avoid a vulnerability
+urllib3>=2.5.0 # not directly required, pinned by Snyk to avoid a vulnerability