Bump hex-literal from 0.3.1 to 0.3.3 (#3588)

Bumps [hex-literal](https://github.com/RustCrypto/utils) from 0.3.1 to 0.3.3.
- [Release notes](https://github.com/RustCrypto/utils/releases)
- [Commits](https://github.com/RustCrypto/utils/compare/hex-literal-v0.3.1...hex-literal-v0.3.3)

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

Signed-off-by: dependabot[bot] <support@github.com>

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

polkadot/Cargo.lock

@@ -2671,9 +2671,9 @@ checksum = "7f24254aa9a54b5c858eaee2f5bccdb46aaf0e486a595ed5fd8f86ba55232a70"
 
 [[package]]
 name = "hex-literal"
-version = "0.3.1"
+version = "0.3.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "5af1f635ef1bc545d78392b136bfe1c9809e029023c84a3638a864a10b8819c8"
+checksum = "21e4590e13640f19f249fe3e4eca5113bc4289f2497710378190e7f4bd96f45b"
 
 [[package]]
 name = "hex_fmt"