selftests/seccomp: validate uprobe syscall passes through seccomp

selftests/seccomp: validate uprobe syscall passes through seccomp

Adding uprobe checks into the current uretprobe tests.

All the related tests are now executed with attached uprobe
or uretprobe or without any probe.

Renaming the test fixture to uprobe, because it seems better.

Signed-off-by: Jiri Olsa <jolsa@kernel.org>
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Reviewed-by: Kees Cook <kees@kernel.org>
Link: https://lore.kernel.org/r/20250720112133.244369-22-jolsa@kernel.org