Merge branch '31475-issue-boards-sidebar-milestone-dropdown-title-has-a-typo' into 'master'

Fix typo found in issue board sidebar milestone dropdown

Closes #31475

See merge request !10950

app/views/projects/boards/components/sidebar/_milestone.html.haml

@@ -22,7 +22,7 @@
           Milestone
           = icon("chevron-down")
         .dropdown-menu.dropdown-select.dropdown-menu-selectable
-          = dropdown_title("Assignee milestone")
+          = dropdown_title("Assign milestone")
           = dropdown_filter("Search milestones")
           = dropdown_content
           = dropdown_loading