Build: Prepare for the next release
Release 3.14.0
CI(GHActions): Install Python 3.15 using `setup-python`
Refactor(compat): Remove excessive `specs`
Merge branch 'pr/200'
Docs(News): Update docs
Tests,CI: Run tests under Python 3.15
Tests(tox): Run skipped `PyMySQL` tests under Python 3.13 and 3.14