[vulnerability] in example deps fix (#10817)

Takes care of:
https://github.com/huggingface/transformers/security/dependabot/examples/research_projects/lxmert/requirements.txt/jinja2/open



@LysandreJik
Co-authored-by: Lysandre Debut <lysandre@huggingface.co>

examples/research_projects/lxmert/requirements.txt

@@ -28,7 +28,7 @@ ipython
 ipython-genutils==0.2.0
 ipywidgets==7.5.1
 jedi==0.17.2
-Jinja2==2.11.3
+Jinja2>=2.11.3
 joblib==0.16.0
 jsonschema==3.2.0
 jupyter==1.0.0