Fix menu localization not updated for "Open Tab..." item (#12993)

THe menu item "Open Tab..." was changed to "Open &Tab..." in #12895 but
localization files were not updated. Update it here.

Signed-off-by: Christian Brabandt <cb@256bit.org>
diff --git a/runtime/lang/menu_eo.utf-8.vim b/runtime/lang/menu_eo.utf-8.vim
index cc888a5..c24b64a 100644
--- a/runtime/lang/menu_eo.utf-8.vim
+++ b/runtime/lang/menu_eo.utf-8.vim
@@ -34,7 +34,7 @@
 
 menutrans &Open\.\.\.<Tab>:e			&Malfermi\.\.\.<Tab>:e
 menutrans Sp&lit-Open\.\.\.<Tab>:sp		Malfermi\ &divide\.\.\.<Tab>:sp
-menutrans Open\ Tab\.\.\.<Tab>:tabnew		Malfermi\ &langeton\.\.\.<Tab>:tabnew
+menutrans Open\ &Tab\.\.\.<Tab>:tabnew		Malfermi\ &langeton\.\.\.<Tab>:tabnew
 menutrans &New<Tab>:enew			&Nova<Tab>:enew
 menutrans &Close<Tab>:close			&Fermi<Tab>:close
 " -SEP1-