fix(ci): match repo tag convention for engine releases

Use intiface-engine-[version] (e.g. intiface-engine-4.0.2) instead
of intiface-engine-v[version] to match existing repo conventions.

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

Author: qdot

.github/workflows/release-engine.yml

@@ -3,7 +3,7 @@ name: Release Intiface Engine
 on:
   push:
     tags:
-      - 'intiface-engine-v*'
+      - 'intiface-engine-[0-9]*'
 
 jobs:
   build: