chore(release): bump version to 1.34.11

- Changelog for v1.34.11 (Opus, Device Sync, community themes, SSL fix)
- Contributors updated in Settings About (PR #181, #182, #183)
- Version bumped to 1.34.11 in package.json, tauri.conf.json, Cargo.toml

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

package.json

@@ -1,6 +1,6 @@
 {
   "name": "psysonic",
-  "version": "1.34.11-dev",
+  "version": "1.34.11",
   "private": true,
   "scripts": {
     "dev": "vite",