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/ftplugin/cpp.vim b/runtime/ftplugin/cpp.vim
index f9d31cb..fc92935 100644
--- a/runtime/ftplugin/cpp.vim
+++ b/runtime/ftplugin/cpp.vim
@@ -1,7 +1,8 @@
 " Vim filetype plugin file
 " Language:	C++
-" Maintainer:	Bram Moolenaar <Bram@vim.org>
-" Last Change:	2020 Jul 26
+" Maintainer:	The Vim Project <https://github.com/vim/vim>
+" Last Change:	2023 Aug 10
+" Former Maintainer:	Bram Moolenaar <Bram@vim.org>
 
 " Only do this when not done yet for this buffer
 if exists("b:did_ftplugin")