Fix AFL++

[vanhauser-thc]

the runner docker does not build anymore because the image is too updated when you try to directly do "apt install ...".
also updates afl++ commit.

[vanhauser-thc]

@DonggeLiu important fix :)

[DonggeLiu]

Ah thanks @vanhauser-thc.
Is the CI failure with libjpeg-turbo_libjpeg_turbo_fuzzer expected?

[vanhauser-thc]

#22 4.506 In file included from /src/libjpeg-turbo.main/fuzz/cjpeg.cc:35:
#22 4.508 /src/libjpeg-turbo.main/fuzz/../cjpeg.c:700:12: error: no member named 'max_pixels' in 'cjpeg_source_struct'
#22 4.510   src_mgr->max_pixels = 1048576;
#22 4.510   ~~~~~~~  ^

does not seem to have anything to do with afl++.
dunno