🔨 Another CMake github actions attempt

Author: SeedyROM

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

@@ -61,7 +61,7 @@ jobs:
           echo "[conf]" >> ~/.conan2/profiles/default
           echo "tools.system.package_manager:mode=install" >> ~/.conan2/profiles/default
           echo "tools.system.package_manager:sudo=True" >> ~/.conan2/profiles/default
-          conan profile update conf.tools.build:cxxflags="-std=c++17" default
+          echo "tools.build:cxxflags=-std=c++20" >> ~/.conan2/profiles/default
 
       - name: Cache Conan packages
         uses: actions/cache@v3