chore: Update Rust to 1.79.0 (#25061)

Fairly quiet update for us. The only change was around using the numeric
constants now inbuilt into the primitives not the ones from `std`

https://rust-lang.github.io/rust-clippy/master/index.html#/legacy_numeric_constants

Release post: https://blog.rust-lang.org/2024/06/13/Rust-1.79.0.html

influxdb3_write/src/write_buffer/mod.rs

@@ -41,7 +41,6 @@ use sha2::Digest;
 use sha2::Sha256;
 use std::borrow::Cow;
 use std::collections::HashMap;
-use std::i64;
 use std::sync::{Arc, OnceLock};
 use thiserror::Error;
 use tokio::sync::watch;

rust-toolchain.toml

@@ -1,3 +1,3 @@
 [toolchain]
-channel = "1.78.0"
+channel = "1.79.0"
 components = ["rustfmt", "clippy", "rust-analyzer"]