use caches from changer

.github/workflows/build.yaml

@@ -240,6 +240,13 @@ jobs:
             ./code/.pio/build/esp32cam/partitions.bin
             ./code/.pio/build/esp32cam/bootloader.bin
             ./sd-card/html/version.txt
+          key: ${{ github.run_number }}
+
+      # import the changes from 
+      - name: Get generated files from cache
+        uses: actions/cache@v3
+        with:
+          path: |
              ./dist
           key: ${{ github.run_number }}-pack-for-OTA-v2