runtime(vim): Update base-syntax, fix :unabbrev highlighting (#14077) Commit: https://github.com/vim/vim/commit/1624970d321cfb637ac76232df9c9b3f2fae904c Author: dkearns <dougkearns@gmail.com> Date: Fri Feb 23 05:45:05 2024 +1100 runtime(vim): Update base-syntax, fix :unabbrev highlighting (https://github.com/vim/vim/issues/14077) Fixes issue https://github.com/vim/vim/issues/7876 Signed-off-by: Doug Kearns <dougkearns@gmail.com> Signed-off-by: Christian Brabandt <cb@256bit.org>