feat(macos): enable private API and set minimum system version

src-tauri/tauri.conf.json

@@ -10,6 +10,7 @@
     "frontendDist": "../build"
   },
   "app": {
+    "macOSPrivateApi": true,
     "windows": [],
     "security": {
       "csp": null,
@@ -43,6 +44,9 @@
     "category": "Music",
     "shortDescription": "Native Qobuz client with hi-res audio support",
     "longDescription": "QBZ is a native high-fidelity client for Qobuz\u2122 subscribers on Linux, designed for audiophiles who need bit-perfect playback without browser sample rate limitations. This application uses the Qobuz API but is not certified by Qobuz.",
+    "macOS": {
+      "minimumSystemVersion": "10.15"
+    },
     "linux": {
       "deb": {
         "depends": [],