update: change macOS runner version from 13 to 15 for compatibility

Author: t3tra-dev

.github/workflows/release.yml

@@ -234,7 +234,7 @@ jobs:
           - version: "3.14"
             tag: cp314
         platform:
-          - runner: macos-13
+          - runner: macos-15-intel
             target: x86_64
           - runner: macos-14
             target: aarch64