fix: streamline macOS extension installation in release workflow

Author: sirkirby

.github/workflows/release.yml

@@ -637,11 +637,8 @@ jobs:
             echo ""
             echo "  def install"
             echo "    bin.install \"tom\""
-            echo ""
             echo "    # Install native macOS extension for notifications"
-            echo "    if OS.mac?"
-            echo "      prefix.install \"TenSecondTom.Extensions.MacOS.app\""
-            echo "    end"
+            echo "    prefix.install \"TenSecondTom.Extensions.MacOS.app\" if OS.mac?"
             echo "  end"
             echo ""
             echo "  def caveats"