fix(lint): convert fuzz (test) to (executable) with runtest/fuzz-afl rules
E722: Convert (test ...) to (executable ...) in ocaml-aos, ocaml-clcw
E724: Add (rule (alias runtest) ...) and (rule (alias fuzz-afl) ...)
to all fuzz directories: ocaml-ax25, ocaml-block, ocaml-bloom,
ocaml-bpsec, ocaml-bundle, ocaml-cbort, ocaml-cfdp, ocaml-cgr,
ocaml-cookeio, ocaml-cpio