add more deprecations to workflow

Author: mansona

config/deprecation-workflow.js

@@ -3,5 +3,7 @@ self.deprecationWorkflow.config = {
   workflow: [
     { handler: 'silence', matchId: 'ember.globals-resolver' },
     { handler: 'silence', matchId: 'ember-component.is-visible' },
+    { handler: 'silence', matchId: 'manager-capabilities.modifiers-3-13' },
+    { handler: 'silence', matchId: 'this-property-fallback' },
   ],
 };