Upgrade jinja

.github/workflows/test.yaml

@@ -12,8 +12,8 @@ jobs:
         uses: actions/checkout@v2
       - name: Install dependencies
         run: sudo apt update && sudo apt install -y python3-pip
-      - name: x
-        run: pip3 list
+      - name: Install latest jinja2 version
+        run: pip3 install jinja2
       - name: Install mkdocs
         run: pip3 install mkdocs mkdocs-material mkdocs-minify-plugin
       - name: Build docs