Merge branch 'tb/multi-pack-reuse-fix'

A data corruption bug when multi-pack-index is used and the same objects are stored in multiple packfiles has been corrected. * tb/multi-pack-reuse-fix: builtin/pack-objects.c: do not open-code `MAX_PACK_OBJECT_HEADER` pack-bitmap.c: avoid repeated `pack_pos_to_offset()` during reuse builtin/pack-objects.c: translate bit positions during pack-reuse pack-bitmap: tag bitmapped packs with their corresponding MIDX t/t5332-multi-pack-reuse.sh: verify pack generation with --strict