Change C++ standard from 20 to 17 in CMake presets

As this causes Issues when installing from scratch with version miss-match with systemc and no C++20 features are used

CMakePresets.json

@@ -15,7 +15,7 @@
             "binaryDir": "${sourceDir}/build/${presetName}",
             "cacheVariables": {
                 "CMAKE_POLICY_DEFAULT_CMP0091": "NEW",
-                "CMAKE_CXX_STANDARD": "20",
+                "CMAKE_CXX_STANDARD": "17",
                 "CMAKE_INSTALL_PREFIX": "${sourceDir}/install/${presetName}",
                 "CMAKE_EXPORT_COMPILE_COMMANDS": "ON",
                 "CMAKE_PROJECT_TOP_LEVEL_INCLUDES": "scc/cmake/conan_provider.cmake",
@@ -48,4 +48,4 @@
             }
         }
     ]
-}
+}