Fix ci

Author: fortuna

.github/workflows/esphome-validate.yaml

@@ -29,4 +29,4 @@ jobs:
       - name: Compile demos
         env:
           PLATFORMIO_BUILD_CACHE_DIR: /tmp/esphome_cache_${{ github.run_id }}
-        run: esphome build boards/*/demo.yaml
+        run: esphome compile boards/*/demo.yaml