buildx failed with: ERROR: failed to build: failed to solve: process "/bin/sh -c if [ \"${TARGETARCH}\" = \"arm64\" ]; then wget -q -O /tmp/oscar.deb https://www.apneaboard.com/OSCAR/${OSCAR_VERSION}/oscar_${OSCAR_VERSION}-RasPiOS-12_arm64.deb; else wget -q -O /tmp/oscar.deb https://www.apneaboard.com/OSCAR/${OSCAR_VERSION}/oscar_${OSCAR_VERSION}-Debian12_amd64.deb; fi" did not complete successfully: exit code: 8