E2E: Remove cypress dashboards-suite (#109038)

* add equivalent dashboard-time-zone test

* remove cypress dashboards-suite

* modify tests to work with schema-v2 + update workflow to run playwright instead

* fix package.json

* update CODEOWNERS

* fix start-server to include ARCH

e2e-playwright/dashboards-suite/new-datasource-variable.spec.ts

@@ -3,6 +3,12 @@ import { test, expect } from '@grafana/plugin-e2e';
 const PAGE_UNDER_TEST = 'kVi2Gex7z/test-variable-output';
 const DASHBOARD_NAME = 'Test variable output';
 
+test.use({
+  featureToggles: {
+    kubernetesDashboards: process.env.KUBERNETES_DASHBOARDS === 'true',
+  },
+});
+
 test.describe(
   'Variables - Datasource',
   {