chore: Bump project version to 0.6.0

Author: kython28

build.zig.zon

@@ -1,6 +1,6 @@
 .{
     .name = .zigopencl,
-    .version = "0.4.6",
+    .version = "0.6.0",
 
     .minimum_zig_version = "0.14.0",
     .fingerprint = 0x46243d52c361e5cf,