Update AFL++, fix MOpt #1112

Job	Run time
Test (bloaty_fuzz_target)	5s
Test (bloaty_fuzz_target_52948c)	4s
Test (curl_curl_fuzzer_http)	5s
Test (freetype2_ftfuzzer)	5s
Test (harfbuzz_hb-shape-fuzzer)	6s
Test (harfbuzz_hb-shape-fuzzer_17863b)	6s
Test (jsoncpp_jsoncpp_fuzzer)	6s
Test (lcms_cms_transform_fuzzer)	5s
Test (libjpeg-turbo_libjpeg_turbo_fuzzer)	6s
Test (libpcap_fuzz_both)	5s
Test (libpng_libpng_read_fuzzer)	5s
Test (libxml2_xml)	5s
Test (libxml2_xml_e85b9b)	7s
Test (libxslt_xpath)	7s
Test (mbedtls_fuzz_dtlsclient)	4s
Test (mbedtls_fuzz_dtlsclient_7c6b0e)	4s
Test (mruby_mruby_fuzzer_8c8bbd)	5s
Test (openh264_decoder_fuzzer)	5s
Test (openssl_x509)	8s
Test (openthread_ot-ip6-send-fuzzer)	5s
Test (php_php-fuzz-parser_0dbedb)	5s
Test (proj4_proj_crs_to_crs_fuzzer)	5s
Test (re2_fuzzer)	7s
Test (sqlite3_ossfuzz)	6s
Test (stb_stbi_read_fuzzer)	5s
Test (systemd_fuzz-link-parser)	7s
Test (vorbis_decode_fuzzer)	5s
Test (woff2_convert_woff2ttf_fuzzer)	5s
Test (zlib_zlib_uncompress_fuzzer)	4s
	2m 37s

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