[Release] Prepare for v0.13.1 (jupyter-book#1809)

RELEASE: v0.13.0 (jupyter-book#1739)

* RELEASE: v0.13.0

* fix typo

* Update CHANGELOG.md

Co-authored-by: Chris Holdgraf <[email protected]>

Co-authored-by: Chris Holdgraf <[email protected]>

RELEASE: v0.12.3 (jupyter-book#1682)

RELEASE: v0.12.2 (jupyter-book#1641)

RELEASE: Setup and Changes for v0.12.1 (jupyter-book#1542)

🚀 RELEASE: Setup and Changes for v0.12 (jupyter-book#1494)

* RELEASE: update to v0.12

* add myst_deprecations notification to CHANGELOG

* update CHANGELOG

* fix myst-nb intersphinx link

* FIX: broken links to myst-nb due to executablebooks/MyST-NB#365

* add thanks to contributors

* update thanks

* Sphinx 4 in github actions

* upgrade win, os x tests to python=3.8; and pypi publish workflow

* update cache key to be more generic

* use a simple test matrix to set python-version

* FIX: add $

Co-authored-by: Chris Holdgraf <[email protected]>

🚀 RELEASE: Updates in preparation for v0.11.3 release (jupyter-book#1437

)

* RELEASE: Updates in preparation for v0.11.3 release

* update link to sphinx-book-theme CHANGELOG

🚀 RELEASE: Preparation for jupyter-book==0.11.2 (jupyter-book#1391)

* RELEASE: Preparation for jupyter-book=0.11.2

* update CHANGELOG for upgrade to sphinx-jupyterbook-latex

* Update CHANGELOG.md

Co-authored-by: Chris Holdgraf <[email protected]>

Co-authored-by: Chris Holdgraf <[email protected]>

🚀 RELEASE: v0.11.1

update to 0.11.0a1 for release