add deprecations

Author: mansona

app/deprecation-workflow.js

@@ -11,5 +11,9 @@ setupDeprecationWorkflow({
       handler: 'throw',
       matchId: 'deprecated-run-loop-and-computed-dot-access',
     },
+    { handler: "silence", matchId: "ember-data:deprecate-non-strict-relationships" },
+    { handler: "silence", matchId: "ember-data:deprecate-store-find" },
+    { handler: "silence", matchId: "remove-owner-inject" },
+    { handler: "silence", matchId: "ember-polyfills.deprecate-assign" }
   ],
 });