Libgravatar

Minor changes, CI improvments or bug fixes:

* Fix missing command on publish workflow (https://github.com/pabluk/libgravatar/commit/9d5f5303460a8d6dea11f52435bd02135701c101)
* Remove unused twine package install (https://github.com/pabluk/libgravatar/commit/0a54eba57fea312595e321396a6d954a5c45a8c4)

Minor changes, CI improvments or bug fixes:

* Replace twine by gh-action-pypi-publish for package publishing on PyPi (14)
* Remove deprecated options on Github workflows

Minor changes, CI improvments or bug fixes:

* Run test suite using Python 3.10 and 3.11 and replace nose by pytest (13)
* Update Github Action versions used on workflows (12)

Major and/or breaking changes:

* Change default value of the use_ssl parameter. Now, by default all the URLs will use HTTPS (9) Thanks to xurble

Minor changes, CI improvments or bug fixes:

* Add Python's black support (11)
* Test docstrings (10)
* Migrate from Travis CI to Github Actions.

Changelog

* Replaced mutable default argument https://github.com/pabluk/libgravatar/commit/152145e9c8341f47625762c9c517834fc25865fc mentix02 #4