feat: fix md5_as_hex for snowflake

Author: pik94

data_diff/databases/snowflake.py

@@ -77,7 +77,7 @@ def md5_as_int(self, s: str) -> str:
  return f"BITAND(md5_number_lower64({s}), {CHECKSUM_MASK}) - {CHECKSUM_OFFSET}"
 
  def md5_as_hex(self, s: str) -> str:
- return f"md5_number_lower64({s})"
+ return f"md5({s})"
 
  def normalize_timestamp(self, value: str, coltype: TemporalType) -> str:
  if coltype.rounds: