chore(deps): refresh packages and bundled engines

- update React DOM types and compatible Rust lock dependencies
- refresh Windows and Linux FFmpeg source URLs and checksums
- cover aria2 asset hashes and Windows npm command execution
- verify Firelink and Companion across tests, builds, and engine payloads

package-lock.json

@@ -34,7 +34,7 @@
       "devDependencies": {
         "@tauri-apps/cli": "^2.11.4",
         "@types/react": "^19.2.18",
-        "@types/react-dom": "^19.2.4",
+        "@types/react-dom": "^19.2.5",
         "@vitejs/plugin-react": "^6.1.0",
         "autoprefixer": "^10.5.4",
         "postcss": "^8.5.26",
@@ -1086,9 +1086,9 @@
       }
     },
     "node_modules/@types/react-dom": {
-      "version": "19.2.4",
-      "resolved": "https://registry.npmjs.org/@types/react-dom/-/react-dom-19.2.4.tgz",
-      "integrity": "sha512-Bsc+QHgp+P/F02XDzNCY9jnZNCUuLki36KT7VKrTXXLdHf+vHMNZnW1rVu5DNW/rCK+fya3DATySbLM4yhtKUw==",
+      "version": "19.2.5",
+      "resolved": "https://registry.npmjs.org/@types/react-dom/-/react-dom-19.2.5.tgz",
+      "integrity": "sha512-fMPwH9v7r/pp43yUd2/Mbiex5KouJwwR3dzHkhLREUC6764VyDsqxhAxv6OFEYR1RhjOyD1naqba8ECDBe7ZQg==",
       "dev": true,
       "license": "MIT",
       "peerDependencies": {