Merged PR 101008: Update playground with latest report authoring

After releasing JS SDK, models and report authoring we can update the playground to use the latest report authoring version.

demo/package.json

@@ -36,7 +36,7 @@
     "http-server": "^0.9.0",
     "jquery": "^3.1.0",
     "powerbi-client": "file:..",
-    "powerbi-report-authoring": "^1.0",
+    "powerbi-report-authoring": "^1.1",
     "syntaxhighlighter": "4.0.1"
   },
   "devDependencies": {}