chore: allow DOMParser browser global in ESLint config

The entity-decode fix uses DOMParser, which the explicit browser-globals
allowlist did not include, causing a no-undef lint error.

Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>

Author: raifdmueller

website/eslint.config.js

@@ -18,6 +18,7 @@ const browserGlobals = {
   setInterval: 'readonly',
   clearInterval: 'readonly',
   HTMLElement: 'readonly',
+  DOMParser: 'readonly',
   Event: 'readonly',
   CustomEvent: 'readonly',
   KeyboardEvent: 'readonly',