- update to 0.2.12:
* Include tests files in the source distribution (PR #98, PR
* **Bugfix** accounting of some kinds of emoji sequences using
U+FE0F
* Variation Selector 16 (PR #97).
* **Bugfix** zero-width characters used in Emoji ZWJ sequences,
Balinese, Jamo, Devanagari, Tamil, Kannada and others (PR #91).
* Include requirements files in the source distibution (PR
#83).
* Update Unicode version to 15.1.0
* Add testing support for Python 3.12
* Update README
* Update requirements
* Enable GitHub Actions CI
* Prepare release 0.2.7
* Update tox envs in README
* Include bin, docs, and tox.ini in the source distribution

multibuild.
* Enhancement: Unicode version may be selected by exporting the
Environment variable UNICODE_VERSION, such as 13.0, or 6.3.0.
* Updated tables for all Unicode Specifications with files published
- Convert to multibuild to break a self-requires loop.