OTEL: Inject context after creating debug span

[saschagrunert]

What type of PR is this?

/kind cleanup

What this PR does / why we need it:

This leads into a way more cleaner alignment between RPCs and spans, for example when running:

> export CTR=(sudo crictl run test/testdata/container_redis.json test/testdata/sandbox_config.json)
> sudo crictl exec -its $CTR echo 1
> sudo crictl exec -its $CTR echo 2 
> sudo crictl rmp -fa

Will now outline the right CRI-O RPC and conmon-rs spans:

Which issue(s) this PR fixes:

None

Special notes for your reviewer:

None

Does this PR introduce a user-facing change?

None

[openshift-ci]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: saschagrunert

The full list of commands accepted by this bot can be found here.

The pull request process is described here

Needs approval from an approver in each of these files:

• OWNERS [saschagrunert]

Approvers can indicate their approval by writing /approve in a comment
Approvers can cancel approval by writing /approve cancel in a comment

[codecov-commenter]

Codecov Report

Merging #816 (9f3e2b6) into main (b1ddf32) will not change coverage.
The diff coverage is n/a.

Additional details and impacted files

@@           Coverage Diff           @@
##             main     #816   +/-   ##
=======================================
  Coverage   31.70%   31.70%           
=======================================
  Files          13       13           
  Lines        1129     1129           
  Branches      428      427    -1     
=======================================
  Hits          358      358           
  Misses        487      487           
  Partials      284      284           

[rphillips]

/lgtm