[GLib] Add support for column names autogeneration CSV read option

[asfimport]

Reporter: Yosuke Shiro / @shiro615
Assignee: Yosuke Shiro / @shiro615

PRs and other links:

• GitHub Pull Request #5318

_{Note: This issue was originally created as ARROW-6427. Please see the migration documentation for further details.}

[asfimport]

Kenta Murata / @mrkn:
Issue resolved by pull request 5318
#5318