fix CI errors (1)

4 jobs for pybind11 in 9 minutes and 22 seconds (queued for 2 seconds)
Status Name Job ID Coverage
  Build Gcc Nocheck
passed job_make_gcc_nocheck #6744

00:01:25

 
  Test Gcc Nocheck
passed job_test_gcc_nocheck #6745

00:00:18

 
  Code Coverage
passed job_code_coverage #6746

00:05:12

76.278%
 
  Build Python
passed job_build_python #6747

00:02:26