redis: binary alternatives

src/knot/Makefile.inc

src/knot/conf/schema.c

src/knot/conf/schema.h

src/knot/events/handlers/load.c

src/knot/zone/zone-dump.c

src/knot/zone/zone-dump.h

src/knot/zone/zone-load.c

src/knot/zone/zone.c

src/knot/zone/zonefile.c

src/knot/zone/zonefile.h

src/utils/knotc/commands.c

src/utils/kzonecheck/zone_check.c

tests-fuzz/Makefile.am

tests/Makefile.am

tests/knot/test_digest.c