Bump haskell-src-exts in stack.yaml to 1.22.0

jaspervdj · jaspervdj · commit dd7e7a8b9ef3 · 2019-11-03T19:31:21.000+01:00
diff --git a/stack.yaml b/stack.yaml
@@ -4,3 +4,4 @@ packages:
 
 extra-deps:
 - 'Cabal-3.0.0.0'
+- 'haskell-src-exts-1.22.0'
