feat(events): add io_uring visibility

[roikol]

1. Explain what the PR does

Author: RoiKol <[email protected]>
Date:   Mon Oct 23 16:52:27 2023 +0300

    feat(events): add io_uring visibility

    add events to allow visibility to io_uring operations in the system.
    the added events are:
    io_uring_create - creation of io_uring queue
    io_uring_submit_req - submission of io_uring request
    io_write - operation of write using io_uring

2. Explain how to test it

3. Other comments

close: #309

[roikol]

current status:

io_uring_create event doesn't work on kernels v5.1 - v5.4:
what should've solved it is was the probe io_sq_offload_start which exists in kernels v5.1 - v5.4, but for some reason this probe fails to load.
we need to find another alternative probe to get the information from.

the tests don't pass because of the context of the event:
io_uring mechanism in the kernel changes the context of the task -

• if polling mode is used in io_uring_create syscall, then eveny io_uring operation is done under the context of a kernel polling thread.
• if the operation that is being submitted to run in io_uring is blocking, then the kernel assigns a kernel worker thread to do the operation.
  in this PR - i attempted to "seat" where these context changes are happening, and override the current context (either kernel polling thread or kernel worker thread) with the original context of the issuer (the userspace process).
  currently i only override the p.event->context, but i believe that p.task_info should be taken care of as well.

missing probes warnings at tracee startup:
i've used different probes for different kernel versions to support those events. so some of them won't be available in all the kernel versions.
this is expected, but we may want the silent those warnings.

[geyslan]

We have this update #3875

Please rebase your PR against main to make use of the new workflow setup.