chore(release): bump app version to 2026.7.14

Update the project and Tauri configuration version to 2026.7.14.
This keeps the package metadata and desktop app build in sync for
consistent release tracking.

- Bump version in package.json
- Bump version in tauri.conf.json

src-tauri/tauri.conf.json

@@ -1,7 +1,7 @@
 {
   "$schema": "https://schema.tauri.app/config/2",
   "productName": "GitLite",
-  "version": "2026.7.13",
+  "version": "2026.7.14",
   "identifier": "com.git-lite",
   "build": {
     "beforeDevCommand": "npm run dev",