chore(deps): bump lib-core.render to 0.3.0 (cascade — additive sprite_scale)

No code change. v0.3.0 adds an optional sprite_scale property on
draw_entities path-1; spine-prototype doesn't set it, so default
1.0 preserves v0.2.0 behavior.

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>

manifest.module

@@ -10,7 +10,7 @@
     },
     "deps": [
         {"id":"lib-core.maps","version":"0.5.7"},
-        {"id":"lib-core.render","version":"0.2.0"},
+        {"id":"lib-core.render","version":"0.3.0"},
         {"id":"lib-core.camera","version":"0.3.0"},
         {"id":"lib-core.selection","version":"0.1.0"},
         {"id":"lib-core.input","version":"0.4.0"},