Default haskell version is now 8.6.5

CMCDragonkai · CMCDragonkai · commit b2c566056db8 · 2020-02-26T19:56:51.000+11:00
diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
@@ -8,7 +8,7 @@ cache:
 
 cabal:
   stage: build
-  image: haskell:8.4.3
+  image: haskell:8.6.5
   script:
     - cabal update
     - cabal sandbox init
