updated version

AI-Session-Id: 0f4961c9-8263-4ce5-92f8-44c683d6a12f
AI-Tool: claude-code
AI-Model: unknown

Author: chillaq

src/SplitIO/Version.php

@@ -3,5 +3,5 @@
 
 class Version
 {
-    const CURRENT = '7.3.0';
+    const CURRENT = '7.4.0-rc1';
 }