Composer reads a ^0.4 caret on a 0.x package as >=0.4 <0.5, so this package
could not be installed alongside a server running Resonate v0.5. Widen the
constraint to ^0.4|^0.5; the suite passes against v0.5.1 unchanged.

Also backfills the changelog for v0.1.1, which shipped the CI workflow, the
Redis service container that stopped the suite self-skipping, the Pint and
PHPStan gates, and the three static-analysis fixes that came with them.