fix(package): update @adobe/helix-simulator to version 2.12.0

Author: greenkeeper[bot]

package-lock.json

@@ -36,7 +36,7 @@
     "@adobe/fastly-native-promises": "^1.3.2",
     "@adobe/helix-pipeline": "1.3.1",
     "@adobe/helix-shared": "0.10.3",
-    "@adobe/helix-simulator": "2.11.3",
+    "@adobe/helix-simulator": "2.12.0",
     "@adobe/parcel-plugin-htl": "2.1.0",
     "@parcel/logger": "1.11.0",
     "@snyk/nodejs-runtime-agent": "1.42.1",