Log Message:
py-pallets-sphinx-themes: updated to 1.2.2

Version 1.2.2
Make the version warning sticky so that it appears when linking to the middle of \ 
a document.
Remove CSS for old ads.

Version 1.2.1
Sort versions taken from Read the Docs so that 2.10.x is considered newer than 2.9.x.

Version 1.2.0
Use HTTPS for font URLs in CSS.
Don't require sphinx.ext.autodoc to be enabled.
Implement the Jinja directives jinja:filters::, jinja:tests::, and jinja:nodes::.
Generate a table of contents for Jinja filters and tests.
Update the babel and platter themes.