[GPU] adding a missed block_read related include (#31874)

### Details:
 - This PR adds a missed `block_read` related include
 - Backporting of #31809

### Tickets:
 - 172478

Author: e-ddykim

src/plugins/intel_gpu/src/graph/impls/ocl_v2/pa_kv_cache_update_ref.cl

@@ -3,6 +3,7 @@
 //
 
 #include "include/batch_headers/common.cl"
+#include "include/batch_headers/sub_group_block_read.cl"
 
 inline void FUNC(quantize_and_save_per_token)(__global const INPUT0_TYPE* in_data,
                                     const uint in_data_offset,