DEV: Update linting and add types

Author: cvx

Gemfile.lock

@@ -38,15 +38,15 @@ GEM
     rack (3.2.4)
     rainbow (3.1.1)
     regexp_parser (2.11.3)
-    rubocop (1.82.1)
+    rubocop (1.84.0)
       json (~> 2.3)
       language_server-protocol (~> 3.17.0.2)
       lint_roller (~> 1.1.0)
       parallel (~> 1.10)
       parser (>= 3.3.0.2)
       rainbow (>= 2.2.2, < 4.0)
       regexp_parser (>= 2.9.3, < 3.0)
-      rubocop-ast (>= 1.48.0, < 2.0)
+      rubocop-ast (>= 1.49.0, < 2.0)
       ruby-progressbar (~> 1.7)
       unicode-display_width (>= 2.4.0, < 4.0)
     rubocop-ast (1.49.0)

package.json

@@ -1,7 +1,7 @@
 {
   "private": true,
   "devDependencies": {
-    "@discourse/lint-configs": "2.37.1",
+    "@discourse/lint-configs": "2.37.2",
     "@glint/ember-tsc": "1.0.9",
     "concurrently": "^9.2.1",
     "discourse": "npm:@discourse/types@2026.1.0-2709d36",