We fail to push our multi-arch images

[consideRatio]

We successfully login with docker login, but we fail to push images. I'm unsure why, we only get 401 Unauthorized and that's it.

From CI run that failed

  #36 exporting to image
  #36 exporting manifest sha256:f4885e2ee0a2d6f4484aa75b005e585414a56981e31ed2343f8a9f2dee27d2bf done
  #36 exporting config sha256:125cf7a049b119220a812d64eeae4ed7e3c3fd61e92aed6fcb118251165062ba done
  #36 exporting manifest sha256:e6b8d5dbd2a1cb3022cd214946f2290ac65aed7fc3787fa8fbdbd655c344ac28 done
  #36 exporting config sha256:4ae4f82b528de65a8f301eef09d66007865189d8b405fe2f65ea6d10c7994760 done
  #36 exporting manifest list sha256:30be78018e77875a79b18949ec26fcc8760399e82da17aefb0281bb177f0c2a0 done
  #36 pushing layers
  #36 ...
  
  #38 [auth] library/40b549a81031:pull,push token for registry-1.docker.io
  #38 DONE 0.0s
  
  #39 [auth] library/40b549a81031:pull,push token for registry-1.docker.io
  #39 DONE 0.0s
  
  #40 [auth] library/40b549a81031:pull,push token for registry-1.docker.io
  #40 DONE 0.0s
  
  #41 [auth] library/40b549a81031:pull,push token for registry-1.docker.io
  #41 DONE 0.0s
  
  #42 [auth] library/40b549a81031:pull,push token for registry-1.docker.io
  #42 DONE 0.0s
  
  #43 [auth] library/40b549a81031:pull,push token for registry-1.docker.io
  #43 DONE 0.0s
  
  #36 exporting to image
  #36 pushing layers 0.4s done
  #36 ERROR: authorization status: 401: authorization failed
  ------
   > exporting to image:
  ------
  error: failed to solve: authorization status: 401: authorization failed
  make: *** [Makefile:191: push-multi/base-notebook] Error 1
  make: Leaving directory '/home/runner/work/docker-stacks/docker-stacks/main'
  Error: Process completed with exit code 2.

[consideRatio]

I think this is fixed by #1412. Soon to be confirmed but I'll close this now and open if it isn't.