List applying policies in InMemoryChannels status

[creydr]

Fixes #7977

Proposed Changes

• 🎁 List EventPolicies in the InMemoryChannels .status.policies, which apply for it
• 🎁 Add the EventPoliciesReady condition to indicate, if the referenced policies are Ready

Release Note

List applying EventPolicies in InMemoryChannels status

/hold
until we have #7973, as otherwise the IMCs would not become ready (as the EP stays NotReady)

[knative-prow]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: creydr

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[codecov]

Codecov Report

Attention: Patch coverage is 74.30168% with 46 lines in your changes missing coverage. Please review.

Project coverage is 67.79%. Comparing base (e298f32) to head (7519033).
Report is 1 commits behind head on main.

Files	Patch %	Lines
pkg/auth/event_policy.go	73.17%	11 Missing and 11 partials ⚠️
pkg/reconciler/testing/v1/eventpolicy.go	62.50%	15 Missing ⚠️
...g/apis/messaging/v1/in_memory_channel_lifecycle.go	25.00%	6 Missing ⚠️
...iler/inmemorychannel/controller/inmemorychannel.go	87.50%	2 Missing and 1 partial ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #8011      +/-   ##
==========================================
+ Coverage   67.74%   67.79%   +0.04%     
==========================================
  Files         362      363       +1     
  Lines       16714    16899     +185     
==========================================
+ Hits        11323    11456     +133     
- Misses       4695     4735      +40     
- Partials      696      708      +12     

☔ View full report in Codecov by Sentry.
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[creydr]

/cc @pierDipi @converge
Even we need #7973 for this, it would be great to get already some reviews on this, so similar tasks could check on this too

[creydr]

/hold cancel
as we don't need to wait for #7973 (IMC will stay Ready, as long as not matching EP exist)

[creydr]

wait.go:200: test-fqpoqcmm/sinkbinding-jvibghuz condition is {"type":"Ready","status":"False","lastTransitionTime":"2024-06-20T14:45:01Z","reason":"TrustBundlePropagation","message":"failed to update ConfigMap test-fqpoqcmm/knative-eventing-bundlekne-bundle: Operation cannot be fulfilled on configmaps \"knative-eventing-bundlekne-bundle\": the object has been modified; please apply your changes to the latest version and try again"}

/test reconciler-tests

[pierDipi]

/lgtm