Update LibAFL and test for regressions. #779

Job	Run time
Test (bloaty_fuzz_target)	1h 36m 46s
Test (bloaty_fuzz_target_52948c)	1h 52m 59s
Test (curl_curl_fuzzer_http)	1h 48m 20s
Test (freetype2_ftfuzzer)	1h 20m 53s
Test (harfbuzz_hb-shape-fuzzer)	1h 27m 42s
Test (harfbuzz_hb-shape-fuzzer_17863b)	15m 51s
Test (jsoncpp_jsoncpp_fuzzer)	1h 10m 5s
Test (lcms_cms_transform_fuzzer)	1h 12m 30s
Test (libjpeg-turbo_libjpeg_turbo_fuzzer)	1h 18m 43s
Test (libpcap_fuzz_both)	1h 16m 29s
Test (libpng_libpng_read_fuzzer)	1h 10m 46s
Test (libxml2_xml)	1h 11m 37s
Test (libxml2_xml_e85b9b)	1h 13m 56s
Test (libxslt_xpath)	1h 18m 20s
Test (mbedtls_fuzz_dtlsclient)	1h 29m 53s
Test (mbedtls_fuzz_dtlsclient_7c6b0e)	1h 25m 47s
Test (openh264_decoder_fuzzer)	1h 7m 24s
Test (openssl_x509)	1h 39m 0s
Test (openthread_ot-ip6-send-fuzzer)	1h 12m 23s
Test (php_php-fuzz-parser_0dbedb)	30m 58s
Test (proj4_proj_crs_to_crs_fuzzer)	1h 41m 17s
Test (re2_fuzzer)	1h 9m 57s
Test (sqlite3_ossfuzz)	1h 18m 3s
Test (stb_stbi_read_fuzzer)	1h 8m 7s
Test (systemd_fuzz-link-parser)	1h 28m 27s
Test (vorbis_decode_fuzzer)	1h 14m 7s
Test (woff2_convert_woff2ttf_fuzzer)	1h 8m 50s
Test (zlib_zlib_uncompress_fuzzer)	1h 8m 39s
	1d 11h 57m 49s

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