Bump version.

Author: wsx-antithesis

antithesis_sdk.h

@@ -48,7 +48,7 @@
 #include <utility>
 
 namespace antithesis {
-    inline const char* SDK_VERSION = "0.4.0";
+    inline const char* SDK_VERSION = "0.4.1";
     inline const char* PROTOCOL_VERSION = "1.1.0";
 
     struct JSON; struct JSONArray;