Ensure ContainerHealthy condition is set back to True

[SaschaSchwarze0]

Fixes #15487

Proposed Changes

This changes the Revision reconciler to contain a code path that changes the ContainerHealthy condition from False to True as the old code path is not active anymore (see linked issue). The criteria that has been chosen is whether the deployment has replicas and whether all of them are ready.

Release Note

A revision is now set to ContainerHealthy=True when all replicas of a deployment are ready

[knative-prow]

Hi @SaschaSchwarze0. Thanks for your PR.

I'm waiting for a knative member to verify that this patch is reasonable to test. If it is, they should reply with /ok-to-test on its own line. Until that is done, I will not automatically test new commits in this PR, but the usual testing commands by org members will still work. Regular contributors should join the org to skip this step.

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[knative-prow]

[APPROVALNOTIFIER] This PR is NOT APPROVED

This pull-request has been approved by: SaschaSchwarze0
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[skonto]

/ok-to-test

[skonto]

cc @dprotaso for review.

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 84.47%. Comparing base (0824bd4) to head (1e89b8d).
Report is 8 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff             @@
##             main   #15503      +/-   ##
==========================================
- Coverage   84.51%   84.47%   -0.05%     
==========================================
  Files         219      219              
  Lines       13608    13613       +5     
==========================================
- Hits        11501    11499       -2     
- Misses       1737     1744       +7     
  Partials      370      370              

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