Fix collision events not being triggered

Release v0.3.0 (avianphysics#726)

Update version numbers and dependencies, and do final release prep.

Release 0.2.1

Release 0.2.0 (avianphysics#599)

Release 0.1.2

Release 0.1.1

Release Avian 0.1

Update to official Bevy 0.14

Bevy XPBD v0.4.0

Bevy XPBD v0.3.0