Merge branch 'docs-import-api-tier' into 'master'

Add tier badge to Import API doc

See merge request gitlab-org/gitlab!76131

doc/api/import.md

@@ -4,7 +4,7 @@ group: Import
 info: To determine the technical writer assigned to the Stage/Group associated with this page, see https://about.gitlab.com/handbook/engineering/ux/technical-writing/#assignments
 ---
 
-# Import API
+# Import API **(FREE)**
 
 ## Import repository from GitHub