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/Auth.hs

@@ -15,8 +15,7 @@ module PostgREST.Auth
   ( getAuthResult )
   where
 
-import PostgREST.AppState      (AppState, getConfig, getJwtCacheState,
-                                getTime)
+import PostgREST.AppState      (AppState, getConfig, getJwtCacheState, getTime)
 import PostgREST.Auth.Jwt      (parseClaims)
 import PostgREST.Auth.JwtCache (lookupJwtCache)
 import PostgREST.Auth.Types    (AuthResult)