Bump hybrid-array to v0.4 (#450)

Author: tarcieri

Cargo.lock

@@ -15,6 +15,10 @@ opt-level = 2
 # https://github.com/RustCrypto/utils/pull/1187
 blobby = { git = "https://github.com/RustCrypto/utils" }
 # https://github.com/RustCrypto/traits/pull/1959
+# https://github.com/RustCrypto/traits/pull/1976
 cipher = { git = "https://github.com/RustCrypto/traits" }
 # https://github.com/RustCrypto/utils/pull/1201
+# https://github.com/RustCrypto/traits/pull/1976
 block-buffer = { git = "https://github.com/RustCrypto/utils" }
+# https://github.com/RustCrypto/traits/pull/1976
+inout = { git = "https://github.com/RustCrypto/utils" }

Cargo.toml

@@ -173,7 +173,7 @@ mod hchacha20_tests {
             "a0f9e4d58a74a853c12ec41326d3ecdc"
         );
 
-        let actual = hchacha::<R20>(KEY.as_ref(), INPUT.as_ref());
+        let actual = hchacha::<R20>(&KEY.into(), &INPUT.into());
         assert_eq!(actual.as_slice(), &OUTPUT);
     }
 }