chore: 🤖 Update @babel/plugin-proposal-decorators (#1157)

Update @babel/plugin-proposal-decorators

Co-authored-by: Randall Morey <randall@randallmorey.com>

addons/auth/package.json

@@ -28,7 +28,7 @@
   },
   "devDependencies": {
     "@babel/eslint-parser": "^7.18.2",
-    "@babel/plugin-proposal-decorators": "^7.17.8",
+    "@babel/plugin-proposal-decorators": "^7.18.6",
     "@ember/optional-features": "^2.0.0",
     "@ember/test-helpers": "^2.8.1",
     "@glimmer/component": "^1.1.2",