nake breaks manu which breaks important_packages

[timotheecour]

refs https://github.com/nim-lang/Nim/pull/18292, https://github.com/planetis-m/manu/issues/5

[planetis-m]

This works fine locally as mypackage.nimble:

requires "nake"

task test, "run tests":
  exec "nake test"

However nimble can't install nake in the CI with error nake not found.

[planetis-m]

this can be closed