drop use of deprecated knative.dev/networking/pkg

[dprotaso]

Part of knative/networking#1102

[knative-prow]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: dprotaso

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

The pull request process is described here

Details

Needs approval from an approver in each of these files:

• OWNERS [dprotaso]

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

[dprotaso]

/assign @linkvt @nader-ziada

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 74.02%. Comparing base (40e34cd) to head (2ef80b0).
⚠️ Report is 1 commits behind head on main.

Additional details and impacted files

@@           Coverage Diff           @@
##             main    #1403   +/-   ##
=======================================
  Coverage   74.02%   74.02%           
=======================================
  Files          25       25           
  Lines        1717     1717           
=======================================
  Hits         1271     1271           
  Misses        354      354           
  Partials       92       92           

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

🚀 New features to boost your workflow:

• ❄️ Test Analytics: Detect flaky tests, report on failures, and find test suite problems.

[linkvt]

/lgtm