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/doc/uganda.txt b/runtime/doc/uganda.txt
index 093da30..3a24747 100644
--- a/runtime/doc/uganda.txt
+++ b/runtime/doc/uganda.txt
@@ -46,8 +46,8 @@
 	  maintainer will do with your changes and under what license they
 	  will be distributed is negotiable.  If there has been no negotiation
 	  then this license, or a later version, also applies to your changes.
-	  The current maintainer is Bram Moolenaar <Bram@vim.org>.  If this
-	  changes it will be announced in appropriate places (most likely
+	  The current maintainers are listed here: https://github.com/orgs/vim/people.
+	  If this changes it will be announced in appropriate places (most likely
 	  vim.sf.net, www.vim.org and/or comp.editors).  When it is completely
 	  impossible to contact the maintainer, the obligation to send him
 	  your changes ceases.  Once the maintainer has confirmed that he has