doc: releases: release-notes: v4.1: capitalize header

Capitalize the "comparator" bullet section text.

Signed-off-by: Henrik Brix Andersen <[email protected]>

Author: henrikbrixandersen

doc/releases/release-notes-4.1.rst

@@ -443,7 +443,7 @@ New Drivers
    * :dtcompatible:`wch,ch32v00x-pll-clock`
    * :dtcompatible:`wch,rcc`
 
-* comparator
+* Comparator
 
    * :dtcompatible:`silabs,acmp`