fix(docs): raise the pydata-sphinx-theme floor to 0.22 - #19

No file matched to [/home/runner/work/python-template/python-template/**/*requirements*.txt,/home/runner/work/python-template/python-template/**/*requirements*.in,/home/runner/work/python-template/python-template/**/*constraints*.txt,/home/runner/work/python-template/python-template/**/*constraints*.in,/home/runner/work/python-template/python-template/**/pyproject.toml,/home/runner/work/python-template/python-template/**/uv.lock,/home/runner/work/python-template/python-template/**/*.py.lock]. The cache will never get invalidated. Make sure you have checked out the target repository and configured the cache-dependency-glob input correctly.