Release version `0.40.0`

[alamb]

Follow on to #974

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

Target Release Date: Approximately 2023-11-27

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

Steps:

• Release a version 0.2.0 of derive crate (due to add {pre,post}_visit_query to Visitor #1044): https://crates.io/crates/sqlparser_derive/0.2.0
• Make a PR to update CHANGELOG.md : Prepare for 0.40.0 release, derive 0.2.0 release #1053 Update sqlparser-derive version #1055
• run cargo release
• verify the new release is on crates.io: https://crates.io/crates/sqlparser/0.40.0
• Make ticket for next release: Release version 0.41.0 #1054

[alamb]

The new release is available on crates.io: https://crates.io/crates/sqlparser/0.40.0