Externalize strings in viewers/_contributing.html.haml

app/views/projects/blob/viewers/_contributing.html.haml

 = sprite_icon('book')
-After you've reviewed these contribution guidelines, you'll be all set to
+= _("After you've reviewed these contribution guidelines, you'll be all set to")
 
 - options = contribution_options(viewer.project)
 - if options.any?
   = succeed '.' do
     = Gitlab::Utils.to_exclusive_sentence(options).html_safe
 - else
-  contribute to this project.
+  = _("contribute to this project.")

changelogs/unreleased/Externalize-strings-in-viewers-_contributing-html-haml.yml

+---
+title: Externalize strings in viewers/_contributing.html.haml
+merge_request: 58447
+author: nuwe1
+type: other

locale/gitlab.pot

@@ -2756,6 +2756,9 @@ msgstr ""
 msgid "After that, you will not be able to use merge approvals or epics as well as many security features."
 msgstr ""
 
+msgid "After you've reviewed these contribution guidelines, you'll be all set to"
+msgstr ""
+
 msgid "Alert"
 msgid_plural "Alerts"
 msgstr[0] ""
@@ -36844,6 +36847,9 @@ msgstr ""
 msgid "container_name cannot be larger than %{max_length} chars"
 msgstr ""
 
+msgid "contribute to this project."
+msgstr ""
+
 msgid "could not read private key, is the passphrase correct?"
 msgstr ""