Update dart.yml

.github/workflows/dart.yml

@@ -39,6 +39,16 @@ jobs:
       - name: Run tests
         run: dart --enable-experiment=native-assets test
 
+      # Upload logs on failure
+      - name: Upload logs
+        if: failure() || steps.build.outcome == 'failure'
+        uses: actions/upload-artifact@v4
+        with:
+          name: build-logs
+          path: |
+            /Users/runner/work/thermion/thermion/thermion_dart//.dart_tool/thermion_dart/log/build.log
+          retention-days: 5
+
   # thermion_flutter:
   #   name: thermion_flutter
   #   runs-on: macos-13