fix(perf-profiler): undeclared function 'div_u64' on arm64 kernel >v6.8

Signed-off-by: Moleus <fafufuburr@gmail.com>

Author: moleus

src/stirling/bpf_tools/bcc_bpf/task_struct_utils.h

@@ -24,6 +24,7 @@
 #pragma once
 
 #include <linux/sched.h>
+#include <linux/math64.h>
 
 // Between linux v6.1 and v6.8, NSEC_PER_SEC is no longer defined by including
 // linux/sched.h. This ifndef covers newer kernels that won't have it defined.