chore(fix): update lcov command to ignore unused errors

Author: onecoolx

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

@@ -101,7 +101,7 @@ jobs:
         GCC_VERSION=`gcc --version | head -n1 | awk '{print $3}'`
         GCC_MAJOR_VERSION=$(echo $GCC_VERSION | cut -d. -f1,1)
         lcov --rc geninfo_unexecuted_blocks=1 --ignore-errors mismatch,unused --gcov-tool /usr/bin/gcov-${GCC_MAJOR_VERSION} -d . -c -o picasso.info
-        lcov --remove picasso.info -o picasso.info '/usr/*' '*/proj/*' '*/unit_tests/*' '*/third_party/*'
+        lcov --ignore-errors unused --remove picasso.info -o picasso.info '/usr/*' '*/proj/*' '*/unit_tests/*' '*/third_party/*'
 
     - name: Upload coverage reports to Codecov
       if: ${{matrix.os == 'ubuntu-latest' && matrix.c_compiler == 'gcc' && matrix.build_type == 'Debug'}}