[release-1.16] Scheduler: log expected vreplicas by vpod

[knative-prow-robot]

This is an automated cherry-pick of #8449

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 64.95%. Comparing base (d59d3b6) to head (9a8c10b).

Additional details and impacted files

@@              Coverage Diff              @@
##           release-1.16    #8461   +/-   ##
=============================================
  Coverage         64.94%   64.95%           
=============================================
  Files               359      359           
  Lines             22108    22112    +4     
=============================================
+ Hits              14359    14363    +4     
  Misses             6993     6993           
  Partials            756      756           

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[matzew]

/lgtm
/approve

[knative-prow]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: knative-prow-robot, matzew

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[matzew]

/retest

[matzew]

/retest

[matzew]

/retest

[knative-prow]

@knative-prow-robot: The following tests failed, say /retest to rerun all failed tests or /retest-required to rerun all mandatory failed tests:

Test name	Commit	Details	Required	Rerun command
reconciler-tests_eventing_release-1.16	9a8c10b	link	true	/test reconciler-tests
conformance-tests_eventing_release-1.16	9a8c10b	link	true	/test conformance-tests
upgrade-tests_eventing_release-1.16	9a8c10b	link	true	/test upgrade-tests

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