Some libavifilter tests use NUT as output even if the produced
files were not decodable. The support for 10bit introduced in
432f0e5b7d and 91b1e6f0c changed the hashes.
(cherry picked from commit 9f3c77dd2a4fa4accf102c2af1f22567652b8e0f)
Conflicts:
tests/ref/lavfi/pixdesc
tests/ref/lavfi/pixfmts_copy
tests/ref/lavfi/pixfmts_null
tests/ref/lavfi/pixfmts_scale
tests/ref/lavfi/pixfmts_vflip
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>