add regression test for 'range end out of bounds'

[0xalpharush]

---- beacon_block::decode_regresion stdout ----
6f17d22bba15001f/bytes-1.8.0/src/bytes.rs:305:9:
range end out of bounds: 4 <= 1
note: run with `RUST_BACKTRACE=1` environment variable to display a backtrace