Merge pull request #597 from linear-b/gitLab-Server-support

Update gitlab-installation.md

Author: PavelLinearB

docs/gitlab-installation.md

@@ -6,8 +6,8 @@ description: Install gitStream to your GitLab organization.
 
 !!! info "Prerequisites"
 
-    1. GitLab cloud
-    2. GitLab runner v15 or higher
+    1. GitLab
+    2. GitLab runner v15 or higher with ability to run apk commands
     3. <a href="https://app.linearb.io/login" target="_blank">Login</a>, or <a href="https://app.linearb.io/sign-up" target="_blank">create a free account</a> on the LinearB app, and follow the steps to <a href="https://linearb.helpdocs.io/article/0xxpvue4s9-connect-git-stream-using-a-git-lab-integration" target="_blank">connect gitStream Using a GitLab Integration</a>.
 
 GitLab Installation Overview