Update rescript and rescript-ava versions

Author: DZakh

__tests__/GhIssue8_test.res

@@ -29,6 +29,5 @@ test("Regression test", t => {
     "limit": s.field("limit", S.option(S.float->S.Float.min(1., ~message="Number must be greater than or equal to 1"))->S.Option.getOr(%raw(\`100\`))),
   }
 )->S.Object.strict`,
-    (),
   )
 })

__tests__/JSONSchema7_test.res

@@ -4,37 +4,31 @@ test("Arrayable", t => {
   t->Assert.deepEqual(
     JSONSchema7.Arrayable.array([1, 2])->JSONSchema7.Arrayable.classify,
     JSONSchema7.Arrayable.Array([1, 2]),
-    (),
   )
   t->Assert.deepEqual(
     JSONSchema7.Arrayable.single(1)->JSONSchema7.Arrayable.classify,
     JSONSchema7.Arrayable.Single(1),
-    (),
   )
 })
 
 test("Definition", t => {
   t->Assert.deepEqual(
     JSONSchema7.Definition.schema({title: "foo"})->JSONSchema7.Definition.classify,
     JSONSchema7.Definition.Schema({title: "foo"}),
-    (),
   )
   t->Assert.deepEqual(
     JSONSchema7.Definition.boolean(true)->JSONSchema7.Definition.classify,
     JSONSchema7.Definition.Boolean(true),
-    (),
   )
 })
 
 test("Dependency", t => {
   t->Assert.deepEqual(
     JSONSchema7.Dependency.schema({title: "foo"})->JSONSchema7.Dependency.classify,
     JSONSchema7.Dependency.Schema({title: "foo"}),
-    (),
   )
   t->Assert.deepEqual(
     JSONSchema7.Dependency.required(["field1", "field2"])->JSONSchema7.Dependency.classify,
     JSONSchema7.Dependency.Required(["field1", "field2"]),
-    (),
   )
 })