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/plugin/gzip.vim b/runtime/plugin/gzip.vim
index 7214488..c02bd99 100644
--- a/runtime/plugin/gzip.vim
+++ b/runtime/plugin/gzip.vim
@@ -1,6 +1,7 @@
 " Vim plugin for editing compressed files.
-" Maintainer: Bram Moolenaar <Bram@vim.org>
-" Last Change: 2016 Oct 30
+" Maintainer:	The Vim Project <https://github.com/vim/vim>
+" Last Change:	2023 Aug 10
+" Former Maintainer:	Bram Moolenaar <Bram@vim.org>
 
 " Exit quickly when:
 " - this plugin was already loaded
diff --git a/runtime/plugin/matchparen.vim b/runtime/plugin/matchparen.vim
index e19b283..b33ecd5 100644
--- a/runtime/plugin/matchparen.vim
+++ b/runtime/plugin/matchparen.vim
@@ -1,6 +1,7 @@
 " Vim plugin for showing matching parens
-" Maintainer:  Bram Moolenaar <Bram@vim.org>
-" Last Change: 2022 Dec 01
+" Maintainer:	The Vim Project <https://github.com/vim/vim>
+" Last Change:	2023 Aug 10
+" Former Maintainer:	Bram Moolenaar <Bram@vim.org>
 
 " Exit quickly when:
 " - this plugin was already loaded (or disabled)
diff --git a/runtime/plugin/spellfile.vim b/runtime/plugin/spellfile.vim
index 4372960..1730ac8 100644
--- a/runtime/plugin/spellfile.vim
+++ b/runtime/plugin/spellfile.vim
@@ -1,6 +1,7 @@
 " Vim plugin for downloading spell files
-" Maintainer:  Bram Moolenaar <Bram@vim.org>
-" Last Change: 2006 Feb 01
+" Maintainer:	The Vim Project <https://github.com/vim/vim>
+" Last Change:	2023 Aug 10
+" Former Maintainer:	Bram Moolenaar <Bram@vim.org>
 
 " Exit quickly when:
 " - this plugin was already loaded