Fix version of jinja2 because of bug with nbconvert

Author: antoinedemathelin

.github/workflows/check-docs.yml

@@ -18,7 +18,7 @@ jobs:
       run: |
         sudo apt install pandoc
         python -m pip install --upgrade pip
-        pip install sphinx numpydoc nbsphinx sphinx_gallery sphinx_rtd_theme ipython
+        pip install jinja2==3.0.3 sphinx numpydoc nbsphinx sphinx_gallery sphinx_rtd_theme ipython
     - name: Install adapt dependencies
       run: |
         python -m pip install --upgrade pip

.github/workflows/publish-doc-to-remote.yml

@@ -18,7 +18,7 @@ jobs:
       run: |
         sudo apt install pandoc
         python -m pip install --upgrade pip
-        pip install sphinx numpydoc nbsphinx sphinx_gallery sphinx_rtd_theme ipython
+        pip install jinja2==3.0.3 sphinx numpydoc nbsphinx sphinx_gallery sphinx_rtd_theme ipython
     - name: Install adapt dependencies
       run: |
         python -m pip install --upgrade pip