Change git version used in build to 2.42.1
Note: this hasn't been compiled for aarch64-centos7 as we don't build that anymore.
GitLab jobs artifacts no longer stored forever as of Monday, November 4th 08:30h. Further information under https://cern.ch/otg0152576
Note: this hasn't been compiled for aarch64-centos7 as we don't build that anymore.