Update moleculer, moleculer-web, moleculer-repl to released versions

Switch from GitHub next branches to published npm packages:
- moleculer: ^0.15.0 (released)
- moleculer-web: ^0.11.0 (released)
- moleculer-repl: ^0.8.0 (released)
- peerDependencies: ^0.15.0-0 → ^0.15.0

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

Author: icebob