Revert publishing on workflow_dispatch

There are other reasons it won't work, so I'll just re-publish the
release tag instead.

Merge pull request #48 from goodmami/gh-46-bounded-repetitions

Update cibuildwheel version

Bump version to 0.5.1

And update publishing workflow and CHANGELOG

Merge pull request #32 from goodmami/release-0.5.0

Bump version to 0.5.0

Merge pull request #27 from goodmami/release-0.4.0

Release 0.4.0

Prepare for v0.3.2

Don't test extension module as a separate step

Prepare for v0.3.0

Prepare for v0.2.0