Bump hex-literal from 0.3.4 to 0.4.1 (#1438)

Bumps [hex-literal](https://github.com/RustCrypto/utils) from 0.3.4 to 0.4.1.
- [Commits](RustCrypto/utils@hex-literal-v0.3.4...hex-literal-v0.4.1)

---
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>
Co-authored-by: Bastian Köcher <git@kchr.de>

polkadot/node/core/pvf/Cargo.toml

@@ -44,7 +44,7 @@ substrate-build-script-utils = { path = "../../../../substrate/utils/build-scrip
 
 [dev-dependencies]
 assert_matches = "1.4.0"
-hex-literal = "0.3.4"
+hex-literal = "0.4.1"
 polkadot-node-core-pvf-common = { path = "common", features = ["test-utils"] }
 # For the puppet worker, depend on ourselves with the test-utils feature.
 polkadot-node-core-pvf = { path = ".", features = ["test-utils"] }