Disable macOS-13 for now.

Author: owo

.github/workflows/wheels.yml

@@ -8,7 +8,7 @@ jobs:
     runs-on: ${{ matrix.os }}
     strategy:
       matrix:
-        os: [ubuntu-22.04, ubuntu-24.04, macOS-13, macOS-14, macOS-15]
+        os: [ubuntu-22.04, ubuntu-24.04, macOS-14, macOS-15]
 
     steps:
       - uses: actions/checkout@v5