Update ordered-float requirement from 3.4 to 4.2 (metrics-rs#421)

Updates the requirements on [ordered-float](https://github.com/reem/rust-ordered-float) to permit the latest version.
- [Release notes](https://github.com/reem/rust-ordered-float/releases)
- [Commits](reem/rust-ordered-float@v3.4.0...v4.2.0)

---
updated-dependencies:
- dependency-name: ordered-float
  dependency-type: direct:production
...

Signed-off-by: dependabot[bot] <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

metrics-util/Cargo.toml

@@ -55,7 +55,7 @@ indexmap = { version = "1", default-features = false, optional = true }
 quanta = { version = "0.12", default-features = false, optional = true }
 sketches-ddsketch = { version = "0.2", default-features = false, optional = true }
 radix_trie = { version = "0.2", default-features = false, optional = true }
-ordered-float = { version = "3.4", default-features = false, optional = true }
+ordered-float = { version = "4.2", default-features = false, optional = true }
 num_cpus = { version = "1", default-features = false, optional = true }
 ahash = { version = "0.8", default-features = false, optional = true }
 hashbrown = { version = "=0.13.1", default-features = false, optional = true, features = ["ahash"] }
@@ -71,7 +71,7 @@ sketches-ddsketch = "0.2"
 ndarray = "0.15"
 ndarray-stats = "0.5"
 noisy_float = "0.2"
-ordered-float = "3.4"
+ordered-float = "4.2"
 predicates-core = "=1.0.5"
 predicates-tree = "=1.0.7"
 tracing = "0.1"