DEV: Force `testem` upgrade (#148)

manager-client/package.json

@@ -17,6 +17,7 @@
     "test:ember": "ember test"
   },
   "devDependencies": {
+    "@ember/jquery": "1.1.0",
     "@ember/optional-features": "^2.0.0",
     "@glimmer/component": "^1.0.2",
     "@glimmer/tracking": "^1.0.2",
@@ -47,7 +48,6 @@
     "eslint": "^7.11.0",
     "eslint-plugin-ember": "^9.3.0",
     "eslint-plugin-node": "^11.1.0",
-    "@ember/jquery": "1.1.0",
     "loader.js": "^4.7.0",
     "npm-run-all": "^4.1.5",
     "qunit-dom": "^1.5.0",