fix: use macOS 14 with M1 on GitHub Actions

Author: ViRb3

.github/workflows/sign.yml

@@ -5,7 +5,7 @@ on:
 
 jobs:
   sign:
-    runs-on: macos-13
+    runs-on: macos-14
     timeout-minutes: 30
     env:
       SECRET_URL: "${{ secrets.SECRET_URL }}"