feat: support aarch64 in get script

[deimosfr]

If you try to run a docker build with --platform=linux/amd64,linux/arm64, you'll get an error:aarch64 is not supported by this installation script

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Relates OR Closes #0000

Release note for CHANGELOG:

feat: add aarch64 installation support with get script

[remyleone]

Thanks a lot @deimosfr :)