buildx failed with: ERROR: failed to solve: process "/bin/sh -c export PREZ_UI_VERSION=$(cat /tmp/PREZ_UI_GIT_TAG) && wget -O prez-ui.zip https://github.com/RDFLib/prez-ui/releases/download/v${PREZ_UI_VERSION}/prez-ui-${PREZ_UI_VERSION}.zip && unzip prez-ui.zip" did not complete successfully: exit code: 1