Edit UI text for Assembla integration

app/models/project_services/assembla_service.rb

@@ -9,7 +9,7 @@ class AssemblaService < Service
   end
 
   def description
-    'Project Management Software (Source Commits Endpoint)'
+    _('Manage projects.')
   end
 
   def self.to_param

changelogs/unreleased/ui-text-integrations-assembla.yml

+---
+title: Updated UI text for Assembla integration to match style guidelines
+merge_request: 58400
+author:
+type: other

locale/gitlab.pot

@@ -18900,6 +18900,9 @@ msgstr ""
 msgid "Manage project labels"
 msgstr ""
 
+msgid "Manage projects."
+msgstr ""
+
 msgid "Manage storage usage"
 msgstr ""