chore(deps): downgrade ember-data to v4.7.2

We have issues with ember-data > v4.8.0 and @embroider/macros
(<v1.0.0) of the ember-cli-mirage dependency.

package.json

@@ -42,6 +42,7 @@
     "@adfinis-sygroup/eslint-config": "1.5.0",
     "@adfinis-sygroup/semantic-release-config": "3.4.0",
     "@ember/optional-features": "2.0.0",
+    "@ember/string": "3.0.1",
     "@ember/test-helpers": "2.8.1",
     "@embroider/test-setup": "1.8.3",
     "@glimmer/tracking": "1.1.2",
@@ -55,7 +56,7 @@
     "ember-cli-mirage": "2.4.0",
     "ember-cli-sri": "2.1.1",
     "ember-cli-terser": "4.0.2",
-    "ember-data": "4.11.3",
+    "ember-data": "4.7.2",
     "ember-disable-prototype-extensions": "1.1.3",
     "ember-load-initializers": "2.1.2",
     "ember-qunit": "6.0.0",
@@ -80,8 +81,11 @@
     "qunit-dom": "2.0.0",
     "webpack": "5.74.0"
   },
+  "peerDependencies": {
+    "@ember/string": "^3.0.1"
+  },
   "engines": {
-    "node": "14.* || >= 16"
+    "node": "16.* || >= 18.*"
   },
   "ember": {
     "edition": "octane"