DEVELOPERS: update the e-mail address of Bartosz Golaszewski

I'm no longer with BayLibre. Change my address to an active one.

Signed-off-by: Bartosz Golaszewski <brgl@bgdev.pl>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>

DEVELOPERS

@@ -127,7 +127,7 @@ F:	package/luasec/
 F:	package/lua-ev/
 F:	package/orbit/
 
-N:	Bartosz Golaszewski <bgolaszewski@baylibre.com>
+N:	Bartosz Golaszewski <brgl@bgdev.pl>
 F:	package/autoconf-archive/
 F:	package/doxygen/
 F:	package/libgpiod/