component/caddy: Upgrade to nxd-v0.11.0-3-g12438f6

Not released yet functionality for regular expression cookie rewriting
is available: https://github.com/mholt/caddy/pull/2144

component/caddy/gowork.cfg

@@ -9,5 +9,5 @@ depends_gitfetch  =
 [go_github.com_mholt_caddy]
 <= go-git-package
 go.importpath = github.com/mholt/caddy
-repository    = https://github.com/mholt/caddy
-revision      = v0.11.0-11-ge263566673
+repository    = https://lab.nexedi.com/nexedi/caddy.git
+revision      = nxd-v0.11.0-3-g12438f6cff8c15f307631151eb064cec579b7605