Merge branch 'dev' of https://github.com/AFLplusplus/AFLplusplus into dev

.github/workflows/ci.yml

.gitignore

Dockerfile

GNUmakefile.gcc_plugin

README.md

TODO.md

afl-system-config

custom_mutators/gramatron/automaton-parser.c

custom_mutators/gramatron/automaton-parser.h

custom_mutators/gramatron/build_gramatron_mutator.sh

custom_mutators/gramatron/gramfuzz-mutators.c

custom_mutators/gramatron/gramfuzz.c

custom_mutators/gramatron/hashmap.c

custom_mutators/gramatron/testMakefile.mk

custom_mutators/gramatron/uthash.h

docs/Changelog.md

docs/INSTALL.md

docs/env_variables.md

docs/features.md

docs/fuzzing_in_depth.md