bump babel-plugin-ember-template-compilation to version 4 in order to clear deprecation warning

Author: void-mAlex

files/package.json

@@ -55,7 +55,7 @@
     "@glint/tsserver-plugin": "^2.0.0<% } %>",
     "@rollup/plugin-babel": "^6.0.4<% if (typescript) { %>",
     "@types/qunit": "^2.19.12<% } %>",
-    "babel-plugin-ember-template-compilation": "^2.2.5",
+    "babel-plugin-ember-template-compilation": "^4.0.0",
     "concurrently": "^9.0.1",
     "ember-qunit": "^9.0.2",
     "ember-source": "^6.7.0",