[SYCL][Graph] Fix memory leaks in new graph tests (#12507)

Fix memory leaks in newly added graph tests in
#12433.

Signed-off-by: Marcos Maronas <[email protected]>

Author: maarquitos14

sycl/test-e2e/Graph/RecordReplay/in_order_queue_with_host_managed_dependencies_memcpy.cpp

@@ -57,6 +57,7 @@ int main() {
   }
 
   sycl::free(TestData, Queue);
+  sycl::free(TestDataOut, Queue);
 
   return 0;
 }

sycl/test-e2e/Graph/RecordReplay/in_order_queue_with_host_managed_dependencies_memset.cpp

@@ -55,6 +55,7 @@ int main() {
   }
 
   sycl::free(TestData, Queue);
+  sycl::free(TestDataOut, Queue);
 
   return 0;
 }