don't build for mac x64

Author: l-Luna

.github/workflows/rust.yml

@@ -13,7 +13,7 @@ jobs:
   build:
     strategy:
       matrix:
-        os: [ubuntu-latest, macos-latest, macos-13]
+        os: [ubuntu-latest, macos-latest]
     runs-on: ${{ matrix.os }}
 
     steps: