Make status.address optional in the KafkaChannel CRD

[aliok]

Fixes #744

Proposed Changes

• Make status.address optional in KafkaChannel CRD
• It is already marked as optional in the API code
• Check status.address shouldn't be required #744 for more details

Release Note

- 🐛 Fix bug: `status.address` of KafkaChannel is not required anymore, thus conditions are reflected successfully in case of an early stage error

Docs

[aliok]

cc @matzew @travis-minke-sap @eric-sap @pierDipi

[codecov]

Codecov Report

Merging #857 (f5d6c6b) into main (acf06a2) will not change coverage.
The diff coverage is n/a.

@@           Coverage Diff           @@
##             main     #857   +/-   ##
=======================================
  Coverage   74.56%   74.56%           
=======================================
  Files         141      141           
  Lines        6559     6559           
=======================================
  Hits         4891     4891           
  Misses       1428     1428           
  Partials      240      240           

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[knative-prow-robot]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: aliok, pierDipi

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[pierDipi]

/cherry-pick release-0.25

[pierDipi]

/cherry-pick release-0.24

[knative-prow-robot]

@pierDipi: new pull request created: #868

In response to this:

/cherry-pick release-0.25

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[knative-prow-robot]

@pierDipi: new pull request created: #869

In response to this:

/cherry-pick release-0.24

Instructions for interacting with me using PR comments are available here. If you have questions or suggestions related to my behavior, please file an issue against the kubernetes/test-infra repository.