DEVELOPERS: add Pierre-Jean Texier for stunnel

Signed-off-by: Pierre-Jean Texier <pjtexier@koncepto.io>
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>

DEVELOPERS

@@ -1860,6 +1860,7 @@ F:	package/trace-cmd/
 N:	Pierre-Jean Texier <pjtexier@koncepto.io>
 F:	package/libubootenv/
 F:	package/python-periphery/
+F:	package/stunnel/
 
 N:	Pieter De Gendt <pieter.degendt@gmail.com>
 F:	package/libvips/