util: Replace lazy_static! with OnceLock (#13215)

This PR replaces the `lazy_static!` usages in the `util` crate with
`OnceLock` from the standard library.

This allows us to drop the `lazy_static` dependency from this crate.

Release Notes:

- N/A

crates/util/Cargo.toml

@@ -22,7 +22,6 @@ dirs.workspace = true
 futures.workspace = true
 git2 = { workspace = true, optional = true }
 globset.workspace = true
-lazy_static.workspace = true
 log.workspace = true
 rand.workspace = true
 regex.workspace = true