release: bump to v1.34.4

Song ratings in context menu + player bar, entity ratings (PR #130),
5 new seekbar styles, custom Linux title bar, album multi-select,
mix rating filter, top-rated stats, compilation filter, scroll reset.

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

package.json

@@ -1,6 +1,6 @@
 {
   "name": "psysonic",
-  "version": "1.34.3",
+  "version": "1.34.4",
   "private": true,
   "scripts": {
     "dev": "vite",