fix pre-commit hook errors

Author: imor

docs/configuration.md

@@ -103,7 +103,7 @@ The `aggregate` field is an opt-in field that extends a table's Connection type.
 type BlogPostConnection {
   edges: [BlogPostEdge!]!
   pageInfo: PageInfo!
-  
+
   """Aggregate functions calculated on the collection of `BlogPost`"""
   aggregate: BlogPostAggregate # this field
 }

test/expected/aggregate_directive.out

@@ -57,4 +57,4 @@ $$);
  {"data": {"productCollection": {"aggregate": {"avg": {"price": 19.99}, "max": {"name": "Widget", "price": 29.99}, "min": {"stock": 25}, "sum": {"price": 59.97, "stock": 175}, "count": 3}}}}
 (1 row)
 
-rollback; 
+rollback;

test/sql/aggregate_directive.sql

@@ -53,4 +53,4 @@ select graphql.resolve($$
 }
 $$);
 
-rollback; 
+rollback;