libavcodec: bump micro to reflect dpx changes

The encoder produces files that are no longer compatible with previous
versions of the decoder, and may actually cause decoding issues for other
software, so indicate that change to allow decoder quirks.

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
avcodec/mjpegdec: Support AV_PIX_FMT_YUV420P16 with upscale_h

Fixes assertion failure
Fixes: test42f.jpg
Found-by: Piotr Bandurski <ami_stuff@o2.pl>
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>