2.4.0

• This module now targets Go 1.26+.
• Updated github.com/oschwald/maxminddb-golang/v2 to v2.6.0, including
  denial-of-service fixes and performance improvements. Regenerated model
  decoders now reject duplicate recognized fields with an InvalidDatabaseError.
• Added maxsize limits to strings and subdivision arrays in database models,
  plus a size limit for the custom date decoder. Values exceeding these limits
  now return an InvalidDatabaseError.