buildx failed with: ERROR: failed to build: failed to solve: process "/bin/sh -c mkdir -p /usr/local/bin && case \"${TARGETARCH}\" in arm64) ARCH=\"aarch64\" ;; amd64) ARCH=\"amd64\" ;; *) ARCH=\"amd64\" ;; esac && echo \"Downloading Spin for architecture: ${ARCH}\" && curl -fsSL \"https://github.com/spinframework/spin/releases/download/v${SPIN_VERSION}/spin-v${SPIN_VERSION}-linux-${ARCH}.tar.gz\" -o /tmp/spin.tar.gz && tar -xzf /tmp/spin.tar.gz -C /usr/local/bin spin && rm /tmp/spin.tar.gz && chmod +x /usr/local/bin/spin && spin --version" did not complete successfully: exit code: 1