Tweak lsan suppressions

We don't use atk-bridge anymore, and we don't want
to see gio leaks.

lsan.supp

@@ -4,6 +4,6 @@ leak:libfontconfig.so
 leak:libEGL_mesa.so
 leak:iris_dri.so
 leak:libglib-2.0.so
+leak:libgio-2.0.so
 leak:libcairo.so
 leak:libpixman-1.so
-leak:libatk-bridge-2.0.so