Update Rust Edition and dependencies.
Also fixes problems when using serde on cross-platform crates.
See bug on serde repository: https://github.com/serde-rs/serde/issues/1594#issuecomment-557933665
The 17.0 major release is coming on May 16, 2024! This version brings many exciting improvements to GitLab, but also removes some deprecated features. We are introducing three breaking change windows during which we expect breaking changes to be deployed to GitLab.com. You can read more about it on our blogpost. The first breaking change window begins 2024-04-22 09:00UTC and ends 2024-04-24 22:00UTC.
Also fixes problems when using serde on cross-platform crates.
See bug on serde repository: https://github.com/serde-rs/serde/issues/1594#issuecomment-557933665