Merge branch 'docs/lfs-lock' into 'master'

Add version which LFS lock was introduced

See merge request gitlab-org/gitlab-ce!17233

doc/workflow/lfs/manage_large_binaries_with_git_lfs.md

@@ -85,6 +85,8 @@ git lfs fetch master
 
 ## File Locking
 
+> [Introduced](https://gitlab.com/gitlab-org/gitlab-ce/issues/35856) in GitLab 10.5.
+
 The first thing to do before using File Locking is to tell Git LFS which
 kind of files are lockable. The following command will store PNG files
 in LFS and flag them as lockable: