ci: git-friendly apt deps in cabal.haskell-ci

.github/workflows/haskell-ci.yml

@@ -1,6 +1,6 @@
 # This GitHub workflow config has been generated by a script via
 #
-#   haskell-ci 'github' 'xmonad.cabal'
+#   haskell-ci 'github' 'cabal.project'
 #
 # To regenerate the script (for example after adjusting tested-with) run
 #
@@ -10,7 +10,7 @@
 #
 # version: 0.12
 #
-# REGENDATA ("0.12",["github","xmonad.cabal"])
+# REGENDATA ("0.12",["github","cabal.project"])
 #
 name: Haskell-CI
 on:

cabal.haskell-ci

@@ -1,4 +1,9 @@
-apt: libx11-dev libxext-dev libxinerama-dev libxrandr-dev libxss-dev
+apt:
+  libx11-dev
+  libxext-dev
+  libxinerama-dev
+  libxrandr-dev
+  libxss-dev
 
 raw-project
   package xmonad