epinio: Fail to install epinio on arm64

Apparently, buildpacks seem to be ready for ARM so I wanted to give it a try on my raspberry 4 with raspian64. But it quickly failed because epinio-ui is not compiled for ARM yet:

...
cert-manager   cert-manager-cainjector-6bc9d758b-cvf4x   1/1     Running            0               11m
cert-manager   cert-manager-6bbf595697-6m6zc             1/1     Running            0               11m
cert-manager   cert-manager-webhook-586d45d5ff-dpkxd     1/1     Running            0               11m
epinio         epinio-server-74654659f7-k8qjw            1/1     Running            0               9m4s
epinio         kubed-7c87544479-x54m5                    1/1     Running            0               9m3s
epinio         registry-8478dd7dd-28t69                  2/2     Running            0               9m3s
epinio         minio-0                                   1/1     Running            0               9m2s
epinio         epinio-ui-555dcdd58d-bmbpw                0/1     CrashLoopBackOff   6 (2m58s ago)   9m4s

pi@management:~ $ kubectl logs epinio-ui-555dcdd58d-bmbpw -n epinio
standard_init_linux.go:228: exec user process caused: exec format error