Apply suggestion from @MaxGraey

update options for cmake

Author: MaxGraey

.github/workflows/build.yml

@@ -86,10 +86,12 @@ jobs:
            -DCMAKE_BUILD_TYPE=Release \
            -DCMAKE_EXE_LINKER_FLAGS="$CMAKE_EXE_LINKER_FLAGS" \
            -DENABLE_WERROR=OFF \
+           -DEMSCRIPTEN_ENABLE_SINGLE_FILE=ON \
+           -DBUILD_EMSCRIPTEN_TOOLS_ONLY=ON \
            -DBUILD_TOOLS=ON \
            -DBUILD_STATIC_LIB=OFF \
            -DBUILD_TESTS=OFF \
-           -DBUILD_FUZZING=OFF
+           -DBUILD_FUZZTEST=OFF
         emmake ninja
         cd ../..
         npm run bundle