* gnu/packages/backup.scm (restic-rest-server): Use G-expressions.
[arguments] <#:phases>: Swap back to standard 'check phase and add
'set-tmpdir phase.
[native-inputs]: Swap from propagated-inputs to native-inputs, sort
alphabetically.
Change-Id: I5010a2dd81b887d8ef10fa27b3ffcb228e08fade
584e77abd5