DEV: Update linting (#255)

Author: CvX

Gemfile.lock

@@ -104,4 +104,4 @@ DEPENDENCIES
   translations-manager!
 
 BUNDLED WITH
-   2.6.5
+   2.6.6

package.json

@@ -1,11 +1,11 @@
 {
   "private": true,
   "devDependencies": {
-    "@discourse/lint-configs": "2.7.0",
-    "ember-template-lint": "6.1.0",
-    "eslint": "9.20.1",
-    "prettier": "2.8.8",
-    "stylelint": "16.14.1"
+    "@discourse/lint-configs": "2.11.1",
+    "ember-template-lint": "7.0.1",
+    "eslint": "9.22.0",
+    "prettier": "3.5.3",
+    "stylelint": "16.16.0"
   },
   "engines": {
     "node": ">= 22",