Fix memory leak in handshake

Make sure peer dilithium keys are properly freed.

Signed-off-by: Tobias Frauenschläger <tobias.frauenschlaeger@oth-regensburg.de>

src/internal.c

@@ -8906,6 +8906,10 @@ void FreeHandshakeResources(WOLFSSL* ssl)
         FreeKey(ssl, DYNAMIC_TYPE_FALCON, (void**)&ssl->peerFalconKey);
         ssl->peerFalconKeyPresent = 0;
 #endif /* HAVE_FALCON */
+#if defined(HAVE_DILITHIUM)
+        FreeKey(ssl, DYNAMIC_TYPE_DILITHIUM, (void**)&ssl->peerDilithiumKey);
+        ssl->peerDilithiumKeyPresent = 0;
+#endif /* HAVE_DILITHIUM */
     }
 
 #ifdef HAVE_ECC