Farewell to Bram and dedicate upcoming Vim 9.1 to him (#12749)

* Dedicate upcoming Vim 9.1 to Bram

Also replace in a few more places Brams email address and mention new
maintainers.

* Remove Bram from any Maintainer role

* runtime: Align Header

* it's mailing list not mailinglist
diff --git a/runtime/synmenu.vim b/runtime/synmenu.vim
index 9d7da7d..9a6ec99 100644
--- a/runtime/synmenu.vim
+++ b/runtime/synmenu.vim
@@ -1,8 +1,9 @@
 " Vim support file to define the syntax selection menu
 " This file is normally sourced from menu.vim.
 "
-" Maintainer:	Bram Moolenaar <Bram@vim.org>
-" Last Change:	2022 Oct 04
+" Maintainer:	The Vim Project <https://github.com/vim/vim>
+" Last Change:	2023 Aug 10
+" Former Maintainer:	Bram Moolenaar <Bram@vim.org>
 
 " Define the SetSyn function, used for the Syntax menu entries.
 " Set 'filetype' and also 'syntax' if it is manually selected.