Workflows: macos-{10.15,11,12} -> macos-{13,14,15}

Author: nabijaczleweli

.github/workflows/ci.yml

@@ -64,7 +64,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        os: ["macos-12", "macos-11", "macos-10.15"]
+        os: ["macos-15", "macos-14", "macos-13"]
         arch: ["X64", "ARM64"]
 
     steps: