gdk-pixbuf: upgrade 2.42.9 -> 2.42.10

2.42.10 (stable)
===

- Search for rst2man.py [!145, Matt Turner]
- Update the memory size limit for JPEG images [#216, #218]
- Translation updates

Signed-off-by: Alexander Kanavin <alex@linutronix.de>
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
(cherry picked from commit 01e1828f)
Signed-off-by: Steve Sakoman <steve@sakoman.com>