podman-matrix : build script optimize - fix volume remanent

podman-matrix/ci_build-images.sh

@@ -24,7 +24,7 @@ if ! podman image exists ${synapse_image}:${synapse_version}; then
 		       --local dockerfile=${buildfolder}/docker/ \
 		       --output type=oci,name="${synapse_image}:${synapse_version}" | \
                        podman image load &&
-	podman container rm --force buildkitd &&
+	podman container rm --volumes --force buildkitd &&
 	podman image rm docker.io/moby/buildkit:${buildkitd_version}
     } || retval=false
     rm -rf ${buildfolder}