build(deps): update hex-literal requirement from 0.2 to 0.3

Updates the requirements on [hex-literal](https://github.com/RustCrypto/utils) to permit the latest version.
- [Release notes](https://github.com/RustCrypto/utils/releases)
- [Commits](RustCrypto/utils@hex-literal-v0.2.0...hex-literal-v0.3.0)

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

quic/s2n-quic-core/Cargo.toml

@@ -16,7 +16,7 @@ bolero-generator = { version = "0.5", default-features = false, optional = true
 byteorder = { version = "1.1", default-features = false }
 bytes = { version = "0.6", default-features = false }
 displaydoc = { version = "0.1", default-features = false }
-hex-literal = "0.2"
+hex-literal = "0.3"
 s2n-codec = { version = "0.1", path = "../../common/s2n-codec", default-features = false }
 thiserror = { version = "1", optional = true }
 zerocopy = "0.3"

quic/s2n-quic-ring/Cargo.toml

@@ -6,7 +6,7 @@ edition = "2018"
 license = "Apache-2.0"
 
 [dependencies]
-hex-literal = "0.2"
+hex-literal = "0.3"
 lazy_static = { version = "1.3", default-features = false }
 s2n-codec = { version = "0.1.0", path = "../../common/s2n-codec", default-features = false }
 s2n-quic-core = { version = "0.1.0", path = "../s2n-quic-core", default-features = false }