Using the dhall executables from nixpkgs is basically always a
mistake, they have to be built and are regularly broken.
We don’t want to care about that, but just use the official statically
built binary releases.
Change-Id: Ia6d9254076ca21f55e020ae81548e80d6be8281d
Reviewed-on: https://cl.tvl.fyi/c/depot/+/3041
Tested-by: BuildkiteCI
Reviewed-by: tazjin <tazjin@tvl.su>
Reviewed-by: zseri <zseri.devel@ytrizja.de>
