chore: Update ha-nunjucks to 1.6.2 (#2549)

- Replaces:
https://github.com/dermotduffy/advanced-camera-card/pull/2515

tests/condition-trigger/triggers/manager.test.ts

@@ -9,6 +9,7 @@ import {
   createHASSManager,
   createMockTemplateRenderer,
   createStateEntity,
+  stubConnectedHomeAssistant,
 } from '../../test-utils';
 
 const templateManager = createMockTemplateRenderer();
@@ -126,6 +127,7 @@ describe('TriggersManager', () => {
     // loaded for the synchronous renderer (rather than the shared mock).
     const templateManager = new TemplateManager();
     beforeAll(async () => {
+      stubConnectedHomeAssistant();
       await templateManager.loadRenderer();
     });