Address reviewer feedback

Scope service template translation string

app/views/admin/services/_service_templates_deprecated_alert.html.haml

@@ -3,6 +3,6 @@
 
 .gl-alert.gl-alert-danger.gl-mt-5{ role: 'alert' }
   = sprite_icon('error', css_class: 'gl-alert-icon gl-alert-icon-no-title')
-  %h4.gl-alert-title= _('Service templates are deprecated and will be removed in GitLab 14.0.')
+  %h4.gl-alert-title= s_('AdminSettings|Service templates are deprecated and will be removed in GitLab 14.0.')
   .gl-alert-body
     = html_escape_once(s_("AdminSettings|You can't add new templates. To migrate or remove a Service template, create a new integration at %{settings_link_start}Settings &gt; Integrations%{link_end}. Learn more about %{doc_link_start}Project integration management%{link_end}.")).html_safe % { settings_link_start: settings_link_start, doc_link_start: doc_link_start, link_end: '</a>'.html_safe }

locale/gitlab.pot

@@ -2331,6 +2331,9 @@ msgstr ""
 msgid "AdminSettings|Service template allows you to set default values for integrations"
 msgstr ""
 
+msgid "AdminSettings|Service templates are deprecated and will be removed in GitLab 14.0."
+msgstr ""
+
 msgid "AdminSettings|Session duration for Git operations when 2FA is enabled (minutes)"
 msgstr ""
 
@@ -28296,9 +28299,6 @@ msgstr ""
 msgid "Service URL"
 msgstr ""
 
-msgid "Service templates are deprecated and will be removed in GitLab 14.0."
-msgstr ""
-
 msgid "ServiceDesk|Enable Service Desk"
 msgstr ""