[FIX] redirections: wrong rule for supported versions

redirects/15.0.txt

@@ -16,7 +16,7 @@ administration/maintain/hosting_changes.rst administration/hosting.rst
 administration/maintain/mailjet_api.rst applications/general/email_communication/mailjet_api.rst              # administration/maintain/* -> applications/general/email_communication/*
 administration/maintain/odoo_online.rst administration/odoo_online.rst                                        # maintain/* -> *
 administration/maintain/on_premise.rst administration/install.rst                                             # maintain/on_premise -> install
-administration/maintain/supported_versions.rst administration/maintain/supported_versions.rst                 # maintain/* -> *
+administration/maintain/supported_versions.rst administration/supported_versions.rst                          # maintain/* -> *
 administration/maintain/update.rst administration/on_premise/update.rst                                       # maintain/* -> on_premise/*
 
 # applications/finance