revert use forked version

Signed-off-by: Bohan Chen <[email protected]>

use fork version

Signed-off-by: Bohan Chen <[email protected]>

Merge branch 'origin/master' into 'chenbh/master'

trigger build

trigger build

Merge pull request concourse#3375 from concourse/dont-stop-me-now

ci: stop docker only in the happy path

release v4.2.3

bump skymarshal

Submodule src/github.com/concourse/skymarshal 6c25f8502..8be887686:
  > skyserver: only allow redirect back to web or fly

Signed-off-by: Topher Bullock <[email protected]>

This is a rc dev tag. Not recommended for use

release v4.2.1