runtime(defaults): Update the "Last Changes" header in defaults.vim

This change was forgotten from commit 6f6c0dba9f578787

closes: #17536

Signed-off-by: Damien Lejay <damien@lejay.be>
Signed-off-by: Christian Brabandt <cb@256bit.org>
diff --git a/runtime/defaults.vim b/runtime/defaults.vim
index f5b4888..af6d583 100644
--- a/runtime/defaults.vim
+++ b/runtime/defaults.vim
@@ -1,7 +1,7 @@
 " The default vimrc file.
 "
 " Maintainer:	The Vim Project <https://github.com/vim/vim>
-" Last Change:	2024 Dec 01
+" Last Change:	2025 Apr 10
 " Former Maintainer:	Bram Moolenaar <Bram@vim.org>
 "
 " This is loaded if no vimrc file was found.