Cap jinja2 version for docs.

domdfcoding · domdfcoding · commit aaf3ebca3fd6 · 2022-03-25T10:29:53.000Z
diff --git a/doc-source/requirements.txt b/doc-source/requirements.txt
@@ -22,3 +22,4 @@ sphinx-toolbox>=2.13.0b3
 sphinxcontrib-httpdomain>=1.7.0
 sphinxemoji>=0.1.6
 toctree-plus>=0.5.0
+jinja2<3.1
