added cmake code to automatically update git submodules

4 jobs for issue/git_submodules in 30 minutes and 14 seconds
Status Name Job ID Coverage
  Test
passed debian:10 clang-6-libcpp-17 #8581

00:30:13

passed debian:10 gcc-8-17 #8580

00:20:48

passed debian:9 gcc-6-14 #8582

00:22:36

passed ubuntu:18.04 clang-6-17 #8583

00:28:36