macos-latest changed from macOS 12 on amd64 to arm64

This seems to have happened around 2024.04.23

https://github.blog/changelog/2024-04-01-macos-14-sonoma-is-generally-available-and-the-latest-macos-runner-image/

.github/workflows/build_and_test.yml

@@ -29,16 +29,24 @@ jobs:
       Build & Test
       (${{ matrix.os }})
       (C++ ${{ matrix.cxx-standard }})
+      ${{ startsWith(matrix.os, 'macos-') && (matrix.os == 'macos-14' && '(ARM64)' || '(AMD64)') || '' }}
     needs: checkSource
     strategy:
       fail-fast: false
       matrix:
-        os: [macos-latest, windows-latest, ubuntu-latest]
+        os:
-        cxx-standard: [17]
+          - macos-13
+          - macos-14
+          - ubuntu-latest
+          - windows-latest
+        cxx-standard:
+          - 17
         include:
-          - os: ubuntu-latest
+          - os: macos-13
             mono: mono
-          - os: macos-latest
+          - os: macos-14
+            mono: mono
+          - os: ubuntu-latest
             mono: mono
           - os: windows-latest
 
@@ -75,15 +83,10 @@ jobs:
           nuget-pat: ${{ secrets.GITHUB_TOKEN }}
           mono: ${{ matrix.mono }}
 
-      - id: lc_platform
-        uses: ASzc/change-string-case-action@v6
-        with:
-          string: ${{ runner.os }}
-
       - name: set lower case runner os
         shell: bash
         run: |
-          echo "PRESET=${{ steps.lc_platform.outputs.lowercase }}-ci" >>${GITHUB_ENV}
+          echo "PRESET=$(echo "${{ runner.os }}" | perl -ne "print lc")-ci" >> ${GITHUB_ENV}
 
       - name: Configure CMake
         shell: bash