message: Update release note for bech32 error detection
diff: Updated RPCs
  ------------
  -- The `validateaddress` RPC now optionally returns an `error_locations` array, with the indices of
  -invalid characters in the address. For example, this will return the locations of up to two Bech32
  -errors.
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  +- The `validateaddress` RPC now returns an `error_locations` array for invalid
  +addresses, with the indices of invalid character locations in the address (if
  +known). For example, this will attempt to locate up to two Bech32 errors, and
  +return their locations if successful. Success and correctness are only guaranteed
  +if fewer than two substitution errors have been made.
  +The error message returned in the `error` field now also returns more specific
  +errors when decoding fails.
  \ No newline at end of file
  