commit de9072094039fe4181a23d116eb0fd3d86c223fd
Author: John MacFarlane <jgm@berkeley.edu>
Date:   Thu Apr 17 16:41:18 2025 -0700

    CI: use macos-latest.

diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index ebaabe7..e513853 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -52,7 +52,7 @@ jobs:
 
   macos:
 
-    runs-on: macos-11
+    runs-on: macos-latest
     strategy:
       fail-fast: false
       matrix: