chore(deps): update dependency ember-cli-update to v3

Author: renovate[bot]

package.json

@@ -59,7 +59,7 @@
     "ember-cli-showdown": "^6.0.1",
     "ember-cli-sri": "^2.1.1",
     "ember-cli-terser": "^4.0.2",
-    "ember-cli-update": "^1.0.1",
+    "ember-cli-update": "^3.0.1",
     "ember-composable-helpers": "^5.0.0",
     "ember-concurrency": "^3.0.0",
     "ember-data": "~3.27.1",