Enable -Werror for CI only, attempt 2

CMakePresets.json

@@ -24,6 +24,7 @@
                 "PACKAGE_NAME_SUFFIX" : "$env{VCMI_PACKAGE_NAME_SUFFIX}",
                 "CMAKE_BUILD_TYPE": "RelWithDebInfo",
                 "ENABLE_TEST": "OFF",
+                "ENABLE_STRICT_COMPILATION": "ON",
                 "ENABLE_GITVERSION": "$env{VCMI_PACKAGE_GITVERSION}"
             }
         },