Fix typo in constant name

Author: pH-7

src/StatusCode.php

@@ -26,7 +26,7 @@ final class StatusCode
     public const OK = 200;
     public const CREATED = 201;
     public const ACCEPTED = 202;
-    public const NONAUTHORITATIVE_INFORMATION = 203;
+    public const NON_AUTHORITATIVE_INFORMATION = 203;
     public const NO_CONTENT = 204;
     public const RESET_CONTENT = 205;
     public const PARTIAL_CONTENT = 206;

tests/Unit/StatusCodeTest.php

@@ -35,7 +35,7 @@ public function statusCodesProvider(): array
             [200, StatusCode::OK],
             [201, StatusCode::CREATED],
             [202, StatusCode::ACCEPTED],
-            [203, StatusCode::NONAUTHORITATIVE_INFORMATION],
+            [203, StatusCode::NON_AUTHORITATIVE_INFORMATION],
             [204, StatusCode::NO_CONTENT],
             [205, StatusCode::RESET_CONTENT],
             [206, StatusCode::PARTIAL_CONTENT],