fix: extra/protobuf/protobuf-24.4/python/docs/requirements.txt to red…

…uce vulnerabilities

The following vulnerabilities are fixed by pinning transitive dependencies:
- https://snyk.io/vuln/SNYK-PYTHON-JINJA2-8548181
- https://snyk.io/vuln/SNYK-PYTHON-JINJA2-8548987

extra/protobuf/protobuf-24.4/python/docs/requirements.txt

@@ -1,5 +1,5 @@
 googleapis-common-protos==1.56.1
-jinja2==3.0.0
+jinja2==3.1.5
 sphinx==3.0.4
 sphinx_rtd_theme==0.4.3
 sphinxcontrib-napoleon==0.7