fix jinjia2 version

wang0618 · wang0618 · commit fa713ca0c349 · 2022-03-24T22:54:08.000+08:00
to fix ImportError: cannot import name 'environmentfilter' from 'jinja2'
diff --git a/requirements.txt b/requirements.txt
@@ -21,6 +21,7 @@ percy-python-selenium==0.1.3
 coverage
 
 # doc building requirements
+Jinja2==3.0.3
 sphinx==3.*
 sphinx-tabs
 sphinx-rtd-theme==0.4.*
