fix!: deprecate usage of ember-data 3

BREAKING CHANGE:
This removes support for ember data 3 versions

Author: Yelinz

.template-lintrc.js

@@ -2,4 +2,8 @@
 
 module.exports = {
   extends: "recommended",
+
+  rules: {
+    "no-at-ember-render-modifiers": "warn", // remove when did-insert have been converted to modifiers
+  },
 };

package.json

@@ -50,7 +50,7 @@
     "ember-cli-showdown": "^9.0.1",
     "ember-composable-helpers": "^5.0.0",
     "ember-concurrency": "^4.0.2",
-    "ember-data": "^3.28.13 || ^4.12.5",
+    "ember-data": "^4.12.5",
     "ember-data-resources": "^5.2.1",
     "ember-engines-router-service": "^0.5.1",
     "ember-fetch": "^8.1.2",
@@ -96,30 +96,30 @@
     "ember-sinon-qunit": "7.4.0",
     "ember-source": "5.7.0",
     "ember-source-channel-url": "3.0.0",
-    "ember-template-lint": "5.13.0",
+    "ember-template-lint": "6.0.0",
     "ember-template-lint-plugin-prettier": "5.0.0",
     "ember-try": "3.0.0",
     "eslint": "8.57.0",
     "eslint-config-prettier": "9.1.0",
     "eslint-plugin-ember": "12.0.2",
     "eslint-plugin-import": "2.29.1",
-    "eslint-plugin-n": "16.6.2",
+    "eslint-plugin-n": "17.1.0",
     "eslint-plugin-prettier": "5.1.3",
     "eslint-plugin-qunit": "8.1.1",
     "graphql": "16.8.1",
     "loader.js": "4.7.0",
     "miragejs": "0.1.48",
     "prettier": "3.2.5",
     "qunit": "2.20.1",
-    "qunit-dom": "3.0.0",
+    "qunit-dom": "3.1.0",
     "sass": "1.74.1",
     "semantic-release": "23.0.7",
     "sinon": "17.0.1",
     "stylelint": "16.3.1",
     "stylelint-config-standard-scss": "13.1.0",
     "stylelint-prettier": "5.0.0",
     "stylelint-scss": "6.2.1",
-    "uikit": "3.19.2",
+    "uikit": "3.19.3",
     "webpack": "5.91.0"
   },
   "//": [