Update dependency @glimmer/component to v2

Author: renovate[bot]

package.json

@@ -37,7 +37,7 @@
     "@ember/string": "3.1.1",
     "@ember/test-helpers": "3.3.1",
     "@embroider/test-setup": "3.0.3",
-    "@glimmer/component": "1.1.2",
+    "@glimmer/component": "2.0.0",
     "@glimmer/tracking": "1.1.2",
     "broccoli-asset-rev": "3.0.0",
     "ember-auto-import": "2.10.0",