fix: add workflow_call trigger to make test.yml reusable

- Add workflow_call trigger to test.yml so it can be called by other workflows
- This fixes the GitHub Actions error about missing workflow_call trigger
- Now release.yml can properly depend on and call the test workflow

🤖 Generated with [Claude Code](https://claude.ai/code)

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

Author: heysamtexas

.github/workflows/test.yml

@@ -4,6 +4,7 @@ on:
   push:
     branches: [ master ]
   workflow_dispatch:
+  workflow_call:
 
 permissions:
   contents: read