Add kulikjak to Solaris Maintainers list

Author: kulikjak

core-developers/experts.rst

@@ -298,7 +298,7 @@ Linux
 macOS                 ronaldoussoren, ned-deily, freakboy3742
 NetBSD1
 OS2/EMX               aimacintyre^
-Solaris/OpenIndiana   jcea
+Solaris/OpenIndiana   jcea, kulikjak
 Windows               tjguk, zware, zooba, pfmoore
 JVM/Java              frank.wierzbicki^
 ===================   ===========