building from source requires version of git with -C flag

[bjarthur]

might add this to the list of dependencies if true.

$ git status
# On branch master
nothing to commit, working directory clean

$ git log -n 1
commit bf886b59537fd9419455d760711af5dc99a55589
Author: Kristoffer Carlsson <kcarlsson89@gmail.com>
Date:   Sun Sep 6 10:55:04 2020 +0200

    fix an instance of getting mapany from Base (#37419)

$ make
Unknown option: -C
usage: git [--version] [--help] [-c name=value]
           [--exec-path[=<path>]] [--html-path] [--man-path] [--info-path]
           [-p|--paginate|--no-pager] [--no-replace-objects] [--bare]
           [--git-dir=<path>] [--work-tree=<path>] [--namespace=<name>]
           <command> [<args>]

$ git --version
git version 1.8.3.1

another machine i have access to has version 2.24.3 and works fine. not sure when the -C flag was added.