[RESULT][VOTE][Flight SQL] Add is_update field to ActionCreatePreparedStatementResult

[Pedro Matias]

Hi,

The vote carries with:
4 +1 (binding): David Li, Ian Cook, Sutou Kuhei, Andrew Lamb
1 +1 (non binding): JB
0 0:
0 -1:

I'll proceed with work on the PRs for Go/Java, including the ADBC and JDBC
Flight SQL drivers.

Thanks everyone!

Regards,
Pedro