koordlet: Add resctrl runtime hook for pod level

[kangclzjc]

Ⅰ. Describe what this PR does

Add resctrl runtime hook for pod level. It's part of the #1974.

Ⅱ. Does this pull request fix one issue?

#1831

Ⅲ. Describe how to verify it

Ⅳ. Special notes for reviews

V. Checklist

• I have written necessary docs and comments
• I have added necessary unit tests and integration tests
• All checks passed in make test

[koordinator-bot]

[APPROVALNOTIFIER] This PR is NOT APPROVED

This pull-request has been approved by:
To complete the pull request process, please assign jasonliu747 after the PR has been reviewed.
You can assign the PR to them by writing /assign @jasonliu747 in a comment when ready.

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

Needs approval from an approver in each of these files:

• pkg/koordlet/OWNERS

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

[codecov]

Codecov Report

Attention: Patch coverage is 23.52941% with 221 lines in your changes missing coverage. Please review.

Project coverage is 68.39%. Comparing base (0db9ea2) to head (2cf58c1).
Report is 1 commits behind head on main.

Files	Patch %	Lines
pkg/koordlet/util/resctrl/resctrl.go	0.00%	161 Missing ⚠️
pkg/koordlet/util/resctrl/ctrl_mgr.go	62.63%	26 Missing and 8 partials ⚠️
pkg/koordlet/runtimehooks/reconciler/reconciler.go	45.83%	13 Missing ⚠️
pkg/koordlet/runtimehooks/protocol/protocol.go	0.00%	10 Missing ⚠️
...et/qosmanager/plugins/resctrl/resctrl_reconcile.go	0.00%	1 Missing and 1 partial ⚠️
pkg/koordlet/runtimehooks/protocol/pod_context.go	0.00%	1 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #2123      +/-   ##
==========================================
- Coverage   68.71%   68.39%   -0.32%     
==========================================
  Files         430      432       +2     
  Lines       40298    40587     +289     
==========================================
+ Hits        27689    27760      +71     
- Misses      10232    10443     +211     
- Partials     2377     2384       +7     

Flag	Coverage Δ
unittests	68.39% <23.52%> (-0.32%)	⬇️

Flags with carried forward coverage won't be shown. Click here to find out more.

☔ View full report in Codecov by Sentry.
📢 Have feedback on the report? Share it here.