fix(engine/postgresql): jsonb_build_object (#1211)

Update the function signature of jsonb_build_object and
jsonb_build_array with variadic arguments.

Author: kyleconroy

internal/endtoend/testdata/json_build/postgresql/pgx/go/query.sql.go

@@ -13,3 +13,19 @@ SELECT
   json_build_array(1, 2),
   json_build_array(1, 2, 'foo'),
   json_build_array(1, 2, 'foo', 4);
+
+-- name: SelectJSONBBuildObject :one
+SELECT
+  jsonb_build_object(),
+  jsonb_build_object('foo'),
+  jsonb_build_object('foo', 1),
+  jsonb_build_object('foo', 1, 2),
+  jsonb_build_object('foo', 1, 2, 'bar');
+
+-- name: SelectJSONBBuildArray :one
+SELECT 
+  jsonb_build_array(),
+  jsonb_build_array(1),
+  jsonb_build_array(1, 2),
+  jsonb_build_array(1, 2, 'foo'),
+  jsonb_build_array(1, 2, 'foo', 4);

internal/endtoend/testdata/json_build/postgresql/pgx/query.sql

@@ -13,3 +13,19 @@ SELECT
   json_build_array(1, 2),
   json_build_array(1, 2, 'foo'),
   json_build_array(1, 2, 'foo', 4);
+
+-- name: SelectJSONBBuildObject :one
+SELECT
+  jsonb_build_object(),
+  jsonb_build_object('foo'),
+  jsonb_build_object('foo', 1),
+  jsonb_build_object('foo', 1, 2),
+  jsonb_build_object('foo', 1, 2, 'bar');
+
+-- name: SelectJSONBBuildArray :one
+SELECT 
+  jsonb_build_array(),
+  jsonb_build_array(1),
+  jsonb_build_array(1, 2),
+  jsonb_build_array(1, 2, 'foo'),
+  jsonb_build_array(1, 2, 'foo', 4);