community/afl++: fix build on riscv64

• When the documentation is generated the commands are called. On riscv64 bash was missing causing the documentation to contain /bin/sh: ./afl-persistent-config: not found
• The riscv64 build logs contain install: unrecognized option: T cause coreutils was missing
• grep was both in makedepends and in checkdepends which isn't needed

assigned to @maribu

marked this merge request as ready

changed the description

approved this merge request

Thx a lot!

added 23 commits

• f0454949...f7953ea6 - 22 commits from branch alpine:master
• a4b1c298 - community/afl++: fix build on riscv64

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merged