Merge branch 'jt/update-git-docs' into 'master'

docs: Update upgrade notes for Gitaly Git version

See merge request https://gitlab.com/gitlab-org/gitlab/-/merge_requests/165683



Merged-by: Evan Read <eread@gitlab.com>
Approved-by: Evan Read <eread@gitlab.com>
Co-authored-by: Justin Tobler <jtobler@gitlab.com>

doc/update/versions/gitlab_17_changes.md

@@ -210,6 +210,7 @@ for more details.
     database migrations as your existing environments. This isn't necessary if you're restoring from backup into the
     new environment as the database restore removes the existing database schema definition and uses the definition
     that's stored as part of the backup.
+- Git 2.46.0 and later is required by Gitaly. For installations from source, you should use the [Git version provided by Gitaly](../../install/installation.md#git).
 
 ## 17.3.0