let's give this a try

Author: Moros1138

.github/workflows/build.yml

@@ -48,6 +48,11 @@ jobs:
         with:
           submodules: 'recursive'
 
+      - name: Set default gcc and g++ versions to latest
+        run: |
+          sudo update-alternatives --install /usr/bin/gcc gcc /usr/bin/gcc-$(gcc --version | grep ^gcc | sed 's/^.* //') 100
+          sudo update-alternatives --install /usr/bin/g++ g++ /usr/bin/g++-$(g++ --version | grep ^g++ | sed 's/^.* //') 100
+            
       - name: Build
         env:
           CC: clang