Remove once_cell dependency in favor of new built-in OnceLock and LazyLock

[vincentfretin]

Replace once_cell::sync::OnceCell by built-in OnceLock https://blog.rust-lang.org/2023/06/01/Rust-1.70.0.html#oncecell-and-oncelock and once_cell::sync::Lazy by built-in LazyLock (https://blog.rust-lang.org/2024/07/25/Rust-1.80.0.html) This requires rust 1.80.