Adding macOS 26 to CI (#489)

Author: hummeltech

.github/workflows/build-and-test.yml

@@ -167,16 +167,16 @@ jobs:
       fail-fast: false
       matrix:
         os:
-          - macos-13
           - macos-14
+          - macos-15
         build_system:
           - CMake
         compiler:
           - LLVM
         on_default_branch:
           - ${{ contains(github.ref, 'master') || contains(github.ref, 'develop') || contains(github.ref, 'CI') }}
         include:
-          - os: macos-15
+          - os: macos-26
             build_system: CMake
             compiler: LLVM
         exclude:

docs/build/building_on_macos.md

@@ -4,7 +4,7 @@ This document provides users with step-by-step instructions on how to compile an
 
 Please see our [Continuous Integration script](/.github/workflows/build-and-test.yml) for more details.
 
-## macOS 11/12/13/14/15
+## macOS 11/12/13/14/15/26
 
 ```shell
 #!/usr/bin/env bash