[Ruby] Use a table size as the default for parquet chunk_size

[asfimport]

Reporter: Shoichi Kagawa / @kanga333
Assignee: Shoichi Kagawa / @kanga333

PRs and other links:

• GitHub Pull Request #8391

_{Note: This issue was originally created as ARROW-10227. Please see the migration documentation for further details.}

[asfimport]

Kouhei Sutou / @kou:
Issue resolved by pull request 8391
#8391