Docker images only built for linux-64 per description in PRs, we should now also mention/build/test linux-aarch64

[corneliusroemer]

Docker images description in PRs only mentions linux-64 arch, we now can also mention/test linux-aarch64

Package(s) built are ready for inspection:

Arch	Package	Zip File / Repodata	CI	Instructions
linux-64	auspice-2.52.0-h03c9045_1.tar.bz2	LinuxArtifacts.zip	Azure	show You may also use conda to install after downloading and extracting the zip file. From the LinuxArtifacts directory: conda install -c ./packages <package name>
osx-64	auspice-2.52.0-hba9007d_1.tar.bz2	OSXArtifacts.zip	Azure	show You may also use conda to install after downloading and extracting the zip file. From the OSXArtifacts directory: conda install -c ./packages <package name>
linux-aarch64	auspice-2.52.0-hd91c8af_1.tar.bz2	repodata.json	CircleCI	show You may also use conda to install:conda install -c https://output.circle-artifacts.com/output/job/d713a33c-7553-45c7-8d9c-158a5fcec50c/artifacts/0/tmp/artifacts/packages <package name>

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Docker image(s) built:

Package	Tag	CI	Install with docker
auspice	2.52.0--h03c9045_1	Azure	show Images for Azure are in the LinuxArtifacts zip file above.gzip -dc LinuxArtifacts/images/auspice:2.52.0--h03c9045_1.tar.gz | docker load

from: #48289 (comment)

This might be of interest to @martin-g :)