ci(binaries): Fix workflow for ARM binaries

Author: lucasssvaz

.github/workflows/build_esptool.yml

@@ -20,6 +20,7 @@ jobs:
       - uses: uraimo/run-on-arch-action@v2
         name: Build and test in ${{ matrix.platform }}
         with:
+          arch: ${{ matrix.platform }}
           distro: ubuntu20.04
           shell: /bin/bash
           # Not required, but speeds up builds by storing container images in