testing

.github/workflows/build.yml

@@ -25,8 +25,11 @@ jobs:
       strategy:
         fail-fast: false
         matrix:
-          os: [ubuntu-latest]
+          os: [windows-latest, ubuntu-latest]
           include:
+            - os: windows-latest
+              path: ~\AppData\Local\pip\Cache
+              platformio-path: ~\AppData\Local\platformio\Cache
             - os: ubuntu-latest
               path: ~/.cache/pip
               platformio-path: ~/.platformio