Bump pdfjs-viewer to 4.4.1

The release that serves the locale map from memory, so the live preview
and the version numbers match the Localization and Migrating notes.

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>

Author: alekswebnet

package.json

@@ -12,6 +12,6 @@
     "@11ty/eleventy-plugin-syntaxhighlight": "5.0.2"
   },
   "dependencies": {
-    "@missing-elements/pdfjs-viewer": "4.4.0"
+    "@missing-elements/pdfjs-viewer": "4.4.1"
   }
 }