Update LibAFL and test for regressions. #776

Job	Run time
Test (bloaty_fuzz_target)	26m 20s
Test (bloaty_fuzz_target_52948c)	28m 32s
Test (curl_curl_fuzzer_http)	28m 49s
Test (freetype2_ftfuzzer)	26m 2s
Test (harfbuzz_hb-shape-fuzzer)	25m 38s
Test (harfbuzz_hb-shape-fuzzer_17863b)	17m 17s
Test (jsoncpp_jsoncpp_fuzzer)	23m 25s
Test (lcms_cms_transform_fuzzer)	23m 30s
Test (libjpeg-turbo_libjpeg_turbo_fuzzer)	24m 49s
Test (libpcap_fuzz_both)	23m 25s
Test (libpng_libpng_read_fuzzer)	22m 37s
Test (libxml2_xml)	23m 22s
Test (libxml2_xml_e85b9b)	24m 48s
Test (libxslt_xpath)	25m 14s
Test (mbedtls_fuzz_dtlsclient)	27m 33s
Test (mbedtls_fuzz_dtlsclient_7c6b0e)	27m 53s
Test (openh264_decoder_fuzzer)	23m 24s
Test (openssl_x509)	26m 9s
Test (openthread_ot-ip6-send-fuzzer)	23m 33s
Test (php_php-fuzz-parser_0dbedb)	33m 4s
Test (proj4_proj_crs_to_crs_fuzzer)	27m 57s
Test (re2_fuzzer)	22m 55s
Test (sqlite3_ossfuzz)	24m 45s
Test (stb_stbi_read_fuzzer)	22m 42s
Test (systemd_fuzz-link-parser)	24m 49s
Test (vorbis_decode_fuzzer)	23m 22s
Test (woff2_convert_woff2ttf_fuzzer)	23m 52s
Test (zlib_zlib_uncompress_fuzzer)	22m 2s
	11h 37m 48s

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