Merge pull request #8604 from Razer6/fix_gitlab_shell_doc

Update gitlab-shell in docs to 2.4.1

doc/update/6.x-or-7.x-to-7.7.md

@@ -119,7 +119,7 @@ sudo apt-get install pkg-config cmake
 ```bash
 cd /home/git/gitlab-shell
 sudo -u git -H git fetch
-sudo -u git -H git checkout v2.4.0
+sudo -u git -H git checkout v2.4.1
 ```
 
 ## 7. Install libs, migrations, etc.

doc/update/7.6-to-7.7.md

@@ -37,7 +37,7 @@ sudo -u git -H git checkout 7-7-stable-ee
 ```bash
 cd /home/git/gitlab-shell
 sudo -u git -H git fetch
-sudo -u git -H git checkout v2.4.0
+sudo -u git -H git checkout v2.4.1
 ```
 
 ### 4. Install libs, migrations, etc.