runtime(misc): Use consistent "Vim script" spelling

References: https://groups.google.com/g/vim_dev/c/3Z5yM8KER2w/m/wAqws0QSEAAJ

closes: #15863

Signed-off-by: h-east <h.east.727@gmail.com>
Signed-off-by: Christian Brabandt <cb@256bit.org>
diff --git a/runtime/menu.vim b/runtime/menu.vim
index 59879d1..c9acf76 100644
--- a/runtime/menu.vim
+++ b/runtime/menu.vim
@@ -1137,7 +1137,7 @@
   endif
   tmenu ToolBar.LoadSesn	Choose a session to load
   tmenu ToolBar.SaveSesn	Save current session
-  tmenu ToolBar.RunScript	Choose a Vim Script to run
+  tmenu ToolBar.RunScript	Choose a Vim script to run
   tmenu ToolBar.Make		Make current project (:make)
   tmenu ToolBar.RunCtags	Build tags in current directory tree (!ctags -R .)
   tmenu ToolBar.TagJump		Jump to tag under cursor