Release version `0.42.0`

[alamb]

Follow on to #1054

Filing a ticket here to track the work of a release (mostly so others can follow along)

Target Release Date: Approximately 2024-01-22

Release instructions: https://github.com/sqlparser-rs/sqlparser-rs/blob/main/docs/releasing.md

Steps:

• Make a PR to update CHANGELOG.md: Release version 0.42.0 #1074
• run cargo release
• verify the new release is on crates.io: https://crates.io/crates/sqlparser/0.43.0
• Make ticket for next release: Release version 0.43.0 #1112

[alamb]

The release is on crates.io: https://crates.io/crates/sqlparser/0.43.0

Next release is tracked in #1112