chore: increase columns length in .stylish-haskell.yaml

This gives the import statements more space, essentially, it collectively
removes 90+ unneeded lines in the imports statements.

Signed-off-by: Taimoor Zaeem <taimoorzaeem@gmail.com>

src/library/PostgREST/SchemaCache/Relationship.hs

@@ -12,8 +12,8 @@ module PostgREST.SchemaCache.Relationship
 import qualified Data.Aeson          as JSON
 import qualified Data.HashMap.Strict as HM
 
-import PostgREST.SchemaCache.Identifiers (FieldName,
-                                          QualifiedIdentifier, Schema)
+import PostgREST.SchemaCache.Identifiers (FieldName, QualifiedIdentifier,
+                                          Schema)
 
 import Protolude