Bump hex-literal from 0.3.4 to 0.4.0 (#2426)

Bumps [hex-literal](https://github.com/RustCrypto/utils) from 0.3.4 to 0.4.0.
- [Release notes](https://github.com/RustCrypto/utils/releases)
- [Commits](https://github.com/RustCrypto/utils/compare/hex-literal-v0.3.4...hex-literal-v0.4.0)

---
updated-dependencies:
- dependency-name: hex-literal
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

parachains/runtimes/assets/statemint/Cargo.toml

@@ -7,7 +7,7 @@ description = "Statemint parachain runtime"
 
 [dependencies]
 codec = { package = "parity-scale-codec", version = "3.0.0", default-features = false, features = ["derive", "max-encoded-len"] }
-hex-literal = { version = "0.3.4", optional = true }
+hex-literal = { version = "0.4.0", optional = true }
 log = { version = "0.4.17", default-features = false }
 scale-info = { version = "2.5.0", default-features = false, features = ["derive"] }
 smallvec = "1.10.0"
@@ -73,7 +73,7 @@ parachains-common = { path = "../../../common", default-features = false }
 assets-common = { path = "../common", default-features = false }
 
 [dev-dependencies]
-hex-literal = "0.3.4"
+hex-literal = "0.4.0"
 asset-test-utils = { path = "../test-utils"}
 
 [build-dependencies]