i1.39.11: chore(hll): sync hyperloglog.c with valkey upstream (#7961)
chore(hll): sync hyperloglog.c with valkey upstream Re-syncs src/redis/hyperloglog.c, forked from valkey 56ec1ff1c two years ago, with upstream 06d30f293, and keeps upstream's formatting so future syncs stay cheap. Imported from upstream: CVE-2025-32023: run-length overflow guards on every sparse opcode, not just VAL. A payload whose XZERO runs sum past INT_MAX wrapped the idx cursor negative and…