Merge branch 'jnnkl-enable-assumeImmutableResults-in-dast_site_validation-provider' into 'master'

Enable `assumeImmutableResults` in dast_site_validation provider

See merge request gitlab-org/gitlab!67672

ee/app/assets/javascripts/security_configuration/dast_site_validation/graphql/provider.js

@@ -5,5 +5,5 @@ import createDefaultClient from '~/lib/graphql';
 Vue.use(VueApollo);
 
 export default new VueApollo({
-  defaultClient: createDefaultClient(),
+  defaultClient: createDefaultClient({}, { assumeImmutableResults: true }),
 });