Sphinx-new-tab-link

What's Changed

* Use [ftnext/sphinxcontrib-extdevhelper-kasane](https://github.com/ftnext/sphinxcontrib-extdevhelper-kasane) (exported from this repository)

**Full Changelog**: https://github.com/ftnext/sphinx-new-tab-link/compare/v0.3.1...v0.4.0

Improvements

* Declare `parallel_read_safe` True

**Full Changelog**: https://github.com/ftnext/sphinx-new-tab-link/compare/v0.3.0...v0.3.1

What's Changed

* Add Mixin (12) and re-implement with it
* As a result, sphinx-new-tab-link seems to support any html-format builder

**Full Changelog**: https://github.com/ftnext/sphinx-new-tab-link/compare/v0.2.3...v0.3.0

What's Changed

* Fix infinite recursion (reported 11, thanks enryH)

**Full Changelog**: https://github.com/ftnext/sphinx-new-tab-link/compare/v0.2.2...v0.2.3

What's Changed

* Support Python 3.12

**Full Changelog**: https://github.com/ftnext/sphinx-new-tab-link/compare/v0.2.1...v0.2.2

What's Changed

* Support Python 3.11

**Full Changelog**: https://github.com/ftnext/sphinx-new-tab-link/compare/v0.2.0...v0.2.1