fix(frontend): use ember v6.0 (#837)

* chore(frontend): bump ember-notify
* fix(frontend): use ember v6.0

Author: c0rydoras

frontend/config/ember-cli-update.json

@@ -3,7 +3,7 @@
   "packages": [
     {
       "name": "ember-cli",
-      "version": "5.12.0",
+      "version": "6.0.1",
       "blueprints": [
         {
           "name": "app",

frontend/package.json

@@ -29,7 +29,7 @@
     "@babel/core": "^7.27.4",
     "@babel/eslint-parser": "^7.27.5",
     "@babel/plugin-proposal-decorators": "^7.27.1",
-    "@ember/optional-features": "2.1.0",
+    "@ember/optional-features": "2.2.0",
     "@ember/render-modifiers": "2.0.5",
     "@ember/string": "^4.0.0",
     "@ember/test-helpers": "4.0.5",
@@ -55,7 +55,7 @@
     "ember-can": "git+https://github.com/anehx/ember-can#1755f0fb2c1026b57f2984d065f1c8f10835e935&path:/ember-can",
     "ember-changeset": "4.1.2",
     "ember-changeset-validations": "4.1.1",
-    "ember-cli": "~5.12.0",
+    "ember-cli": "~6.0.1",
     "ember-cli-app-version": "7.0.0",
     "ember-cli-babel": "8.2.0",
     "ember-cli-chart": "3.7.2",
@@ -83,7 +83,7 @@
     "ember-math-helpers": "2.18.2",
     "ember-modifier": "^4.2.0",
     "ember-moment": "10.0.1",
-    "ember-notify": "6.0.4",
+    "ember-notify": "6.0.5",
     "ember-page-title": "8.2.3",
     "ember-power-calendar": "^1.0.2",
     "ember-power-calendar-moment": "^1.0.2",
@@ -97,7 +97,7 @@
     "ember-simple-auth": "6.0.0",
     "ember-simple-auth-oidc": "7.0.4",
     "ember-sinon-qunit": "^6.0.0",
-    "ember-source": "~5.12.0",
+    "ember-source": "~6.0.0",
     "ember-style-modifier": "^1.0.0",
     "ember-template-lint": "~7.9.2",
     "ember-template-lint-plugin-prettier": "^5.0.0",