release: v4.1.0

Joonas Koivunen (8):
      refactor: switch to criterion for benches
      refactor: simplify gigabyte to 4k
      refactor: use parametrized benches, throughput
      refactor: rename benches/gigabyte to plain bench
      refactor: rename bench fn, use 1024 as coefficient
      bench: add back backwards compat tests
      benches: fmt
      fix: make ptr reads read_unaligned

Tom Almeida (2):
      stream: Index the remaining tail as a pointer instead of an array
      fmt: Run cargo fmt

jRimbault (1):
      impl Write trait for the streaming SeaHasher