ci: switch to macos version 15

13 is being deprecated, switch to the newest ones instead.

Signed-off-by: Jens Axboe <[email protected]>

Author: axboe

.github/workflows/ci.yml

@@ -65,7 +65,7 @@ jobs:
           os: ubuntu-22.04
           cc: clang
         - build: macos
-          os: macos-13
+          os: macos-15
         - build: linux-i686-gcc
           os: ubuntu-22.04
           arch: i686