Adjust BLAKE3 version string to 1.6.0

CLoses 372

Author: mcmilk

C/hashes/blake3.h

@@ -22,7 +22,7 @@
 extern "C" {
 #endif
 
-#define BLAKE3_VERSION_STRING "0.3.7"
+#define BLAKE3_VERSION_STRING "1.6.0"
 #define BLAKE3_KEY_LEN 32
 #define BLAKE3_OUT_LEN 32
 #define BLAKE3_BLOCK_LEN 64