feat: Add macOS support to release workflow and update artifact creation

Author: sim186

.github/workflows/release.yml

@@ -14,7 +14,7 @@ jobs:
     runs-on: ${{ matrix.os }}
     strategy:
       matrix:
-        os: [ubuntu-latest, windows-latest]
+        os: [ubuntu-latest, windows-latest, macos-latest]
     steps:
       - name: Checkout
         uses: actions/checkout@v4
@@ -45,7 +45,9 @@ jobs:
         if: runner.os != 'Windows'
         run: |
           mkdir -p build/artifacts
-          zip -r "build/artifacts/AmicoScript-${{ github.ref_name }}-${{ matrix.os }}.zip" dist/AmicoScript || true
+          # On mac the build produces an .app bundle (dist/AmicoScript.app).
+          # Zip any AmicoScript output (binary dir or .app bundle).
+          zip -r "build/artifacts/AmicoScript-${{ github.ref_name }}-${{ matrix.os }}.zip" dist/AmicoScript* || true
         shell: bash
 
       - name: Create GitHub Release and upload artifacts