Release version`0.34.0` of `sqlparser-rs`

[alamb]

Follow on work to #829

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

Target Release Date: Approximately 2023-05-15

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

Steps:

• Make a PR to update changelog : Update CHANGELOG for 0.34.0 release #884
• run cargo release
• verify the new release is on crates.io: https://crates.io/crates/sqlparser/0.34.0

[alamb]

I plan to release the next version tomorrow, May 19, 2023

[alamb]

Tracking next release in #887

[alamb]

On crates.io 🚀

https://crates.io/crates/sqlparser/0.34.0