add changeIndex to track grid changes

4 jobs for feature/grid_adaption_counter in 25 minutes and 19 seconds (queued for 11 minutes and 33 seconds)
Status Job ID Name Coverage
  Test
passed #8009
debian:10 clang-6-libcpp-17

00:20:11

passed #8008
debian:10 gcc-8-17

00:15:22

passed #8010
debian:9 gcc-6-14

00:13:33

passed #8011
ubuntu:18.04 clang-6-17

00:17:55