preparing for upgrade to ember 5.4

package.json

@@ -48,7 +48,7 @@
         "broccoli-funnel": "^3.0.8",
         "ember-cli-babel": "^7.26.11",
         "ember-cli-htmlbars": "^6.1.0",
-        "ember-intl": "6.0.0-beta.6",
+        "ember-intl": "6.3.2",
         "ember-radio-button": "^3.0.0-beta.1",
         "ember-wormhole": "^0.6.0",
         "ember-leaflet": "^5.1.1",
@@ -69,13 +69,13 @@
         "ember-cli-sri": "^2.1.1",
         "ember-cli-terser": "^4.0.2",
         "ember-composable-helpers": "^5.0.0",
-        "ember-concurrency": "^2.3.7",
+        "ember-concurrency": "^3.1.1",
         "ember-concurrency-decorators": "^2.0.3",
-        "ember-data": "~4.6.0",
+        "ember-data": "^5.3.0",
         "ember-disable-prototype-extensions": "^1.1.3",
-        "ember-engines": "^0.8.23",
+        "ember-engines": "^0.9.0",
         "ember-load-initializers": "^2.1.2",
-        "ember-math-helpers": "^2.18.2",
+        "ember-math-helpers": "^4.0.0",
         "ember-page-title": "^7.0.0",
         "ember-qunit": "^5.1.5",
         "ember-resolver": "^8.0.3",
@@ -97,7 +97,7 @@
         "webpack": "^5.74.0"
     },
     "peerDependencies": {
-        "ember-engines": "^0.8.23"
+        "ember-engines": "^0.9.0"
     },
     "engines": {
         "node": "14.* || >= 16"