chore: switch dev server to port 5174

Vite default 5173 frequently conflicts with parallel local projects.
Move Tusk's vite dev server (and tauri devUrl) to 5174 so it can
coexist with another project running on the default port.

src-tauri/tauri.conf.json

@@ -5,7 +5,7 @@
   "identifier": "com.tusk.dbm",
   "build": {
     "frontendDist": "../dist",
-    "devUrl": "http://localhost:5173",
+    "devUrl": "http://localhost:5174",
     "beforeDevCommand": "npm run dev",
     "beforeBuildCommand": "npm run build"
   },

vite.config.ts

@@ -14,7 +14,7 @@ export default defineConfig({
   },
   clearScreen: false,
   server: {
-    port: 5173,
+    port: 5174,
     strictPort: true,
     host: host || false,
     hmr: host