Bump Version::VALUE and widen the framework packages' core constraint to
"^0.1 || ^0.2 || ^0.3". The custom-inbound-domains additions are purely
additive over 0.2, so the Laravel and Symfony packages stay compatible across
all three series.

Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01QNupsh5Nd76z59LouxRbW9