Doc: Add trailing dot to missing Secret Detection text

ee/app/presenters/projects/security/configuration_presenter.rb

@@ -25,7 +25,7 @@ module Projects
           license_management: _('Search your project dependencies for their licenses and apply policies.'),
           license_scanning: _('Search your project dependencies for their licenses and apply policies.'),
           sast: _('Analyze your source code for known vulnerabilities.'),
-          secret_detection: _('Analyze your source code and git history for secrets')
+          secret_detection: _('Analyze your source code and git history for secrets.')
         }.freeze
       end
 

locale/gitlab.pot

@@ -2548,7 +2548,7 @@ msgstr ""
 msgid "Analyze your dependencies for known vulnerabilities."
 msgstr ""
 
-msgid "Analyze your source code and git history for secrets"
+msgid "Analyze your source code and git history for secrets."
 msgstr ""
 
 msgid "Analyze your source code for known vulnerabilities."