attempt to fix CI gcc build

.github/workflows/cmake-multi-platform.yml

@@ -47,6 +47,13 @@ jobs:
     steps:
     - uses: actions/checkout@v4
 
+    - name: use gcc-14
+      if: matrix.configurations.c_compiler == "gcc"
+      run: |
+        sudo apt install gcc-14 g++-14
+        sudo update-alternatives --install /usr/bin/gcc gcc /usr/bin/gcc-14 100 --slave /usr/bin/g++ g++ /usr/bin/g++-14 --slave /usr/bin/gcov gcov /usr/bin/gcov-14
+        sudo update-alternatives --set gcc /usr/bin/gcc-14
+
     - name: Set reusable strings
       # Turn repeated input strings (such as the build output directory) into step outputs. These step outputs can be used throughout the workflow file.
       id: strings