chore: bump version to 1.1.19

- Cargo.toml, tauri.conf.json, package.json, snapcraft.yaml
- Regenerate Cargo.lock and package-lock.json
- Add metainfo release entry for 1.1.19

src-tauri/tauri.conf.json

@@ -1,7 +1,7 @@
 {
   "$schema": "https://schema.tauri.app/config/2",
   "productName": "QBZ",
-  "version": "1.1.19-rc-1",
+  "version": "1.1.19",
   "identifier": "com.blitzfc.qbz",
   "build": {
     "beforeDevCommand": "npm run dev",