patch 9.1.0476: Cannot see matched text in popup menu

Problem:  Cannot see matched text in popup menu
Solution: Introduce 2 new highlighting groups: PmenuMatch and
          PmenuMatchSel (glepnir)

ping @habamax, @neutaaaaan @romainl because vim/colorschemes may need
some updates, @lifepillar for updating vim-colortemplate

closes: #14694

Signed-off-by: glepnir <glephunter@gmail.com>
Signed-off-by: Christian Brabandt <cb@256bit.org>
diff --git a/runtime/doc/version9.txt b/runtime/doc/version9.txt
index 6edb889..28dd7a3 100644
--- a/runtime/doc/version9.txt
+++ b/runtime/doc/version9.txt
@@ -1,4 +1,4 @@
-*version9.txt*  For Vim version 9.1.  Last change: 2024 Jun 05
+*version9.txt*  For Vim version 9.1.  Last change: 2024 Jun 10
 
 
 		  VIM REFERENCE MANUAL    by Bram Moolenaar
@@ -41596,6 +41596,9 @@
 Highlighting: ~
 
 |hl-MsgArea|		highlighting of the Command-line and messages area
+|hl-PmenuMatch|		Popup menu: highlighting of matched text
+|hl-PmenuMatchSel|     	Popup menu: highlighting of matched text in selected
+			line
 
 Commands: ~