Update dependency ember-cli-babel to v8

Author: renovate[bot]

package.json

@@ -33,7 +33,7 @@
     "ember-auto-import": "2.2.4",
     "ember-cli": "3.28.6",
     "ember-cli-autoprefixer": "2.0.0",
-    "ember-cli-babel": "7.26.11",
+    "ember-cli-babel": "8.2.0",
     "ember-cli-dependency-checker": "3.2.0",
     "ember-cli-htmlbars": "5.7.2",
     "ember-cli-inject-live-reload": "2.1.0",