v0.2.1

First release of Nicely. The v0.2.0 tag was never published: its release run failed.

Changelog

• 3641fb0 📚 docs: M00: drop the first dispatch from the first release's work
• 52a3727 📚 docs: M00: name v0.2.1 the first release
• b5cc46f 📚 docs: M01: start the cancel grandchild through pgroup, not set -m
• 77d9b15 🚑 fix: release-check: disable SC2317 for ShellCheck 0.9.0 too
• ac31e35 🚑 fix: hello fixtures: start the grandchild in its own group without job control
• c0076a4 🧪 test: extension_cancel: prove that the grandchild gets the signal itself