ci: update MacOS runner images

.github/workflows/CI.yml

@@ -143,9 +143,12 @@ jobs:
           - ubuntu-24.04
           - ubuntu-22.04
           - ubuntu-20.04
-          - macos-14
-          - macos-13
-          - macos-12
+          - macos-15 # arm64
+          - macos-15-large # x64
+          - macos-14 # arm64
+          - macos-14-large # x64
+          # - macos-14-xlarge #arm64
+          - macos-13 # x64
     steps:
       - uses: actions/checkout@v4
         with:

README.md

@@ -8,7 +8,7 @@ Setting up a **cross-platform** environment for building and testing C++/C proje
 
 `setup-cpp` can be used locally from terminal, from CI services like GitHub Actions and GitLab Pipelines, and inside containers like Docker.
 
-`setup-cpp` is supported on many platforms. It is continuously tested on several configurations including Windows (11, 10, 2022, 2019) x64/ARM/x86, Linux (Ubuntu 24.0, 22.04, 20.04, 18.04, Fedora, ArchLinux) x64/ARM, and macOS (14, 13, 12, 11, 10.15) x64/ARM. `setup-cpp` is backed by unit tests for each tool and integration tests for compiling cpp projects.
+`setup-cpp` is supported on many platforms. It is continuously tested on several configurations including Windows (11, 10, 2022, 2019) x64/ARM/x86, Linux (Ubuntu 24.0, 22.04, 20.04, 18.04, Fedora, ArchLinux) x64/ARM, and macOS (15, 14, 13, 12, 11, 10.15) x64/ARM. `setup-cpp` is backed by unit tests for each tool and integration tests for compiling cpp projects.
 
 ## Features
 

cspell.config.yaml

@@ -118,6 +118,7 @@ words:
   - vsversion
   - whatwg
   - xcrun
+  - xlarge
   - Yahyaabadi
 ignoreWords: []
 import: []