Use Json types from @backstage/types

Signed-off-by: Fredrik Adelöw <freben@gmail.com>

.changeset/funny-numbers-compete.md

@@ -0,0 +1,5 @@
+---
+'@backstage/plugin-scaffolder-backend': patch
+---
+
+Use Json types from @backstage/types

plugins/scaffolder-backend/src/service/router.ts

@@ -23,9 +23,10 @@ import {
   stringifyEntityRef,
   UserEntity,
 } from '@backstage/catalog-model';
-import { Config, JsonObject, JsonValue } from '@backstage/config';
+import { Config } from '@backstage/config';
 import { InputError, NotFoundError, stringifyError } from '@backstage/errors';
 import { ScmIntegrations } from '@backstage/integration';
+import { JsonObject, JsonValue } from '@backstage/types';
 import {
   TaskSpec,
   TemplateEntityV1beta3,