[release-1.14] Containersource use OIDC identity of corresponding SinkBinding

[creydr]

Backport of #7890 (without e2e tests, as they require a reconciler-test update)

[creydr]

/cherry-pick release-1.13

[knative-prow-robot]

@creydr: once the present PR merges, I will cherry-pick it on top of release-1.13 in a new PR and assign it to you.

In response to this:

/cherry-pick release-1.13

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.

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

❗ No coverage uploaded for pull request base (release-1.14@c1c7c9b). Click here to learn what that means.

Additional details and impacted files

@@               Coverage Diff               @@
##             release-1.14    #7892   +/-   ##
===============================================
  Coverage                ?   69.48%           
===============================================
  Files                   ?      340           
  Lines                   ?    15710           
  Branches                ?        0           
===============================================
  Hits                    ?    10916           
  Misses                  ?     4124           
  Partials                ?      670           

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

/lgtm
/approve

[creydr]

Sry, @pierDipi but I needed to fix some style/gofmt issues. Could you recheck?

[creydr]

/retest-required

[creydr]

/test reconciler-tests

[Cali0707]

/lgtm

[knative-prow]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: Cali0707, creydr, pierDipi

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

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Needs approval from an approver in each of these files:

• OWNERS [Cali0707,creydr,pierDipi]

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[knative-prow-robot]

@creydr: #7892 failed to apply on top of branch "release-1.13":

Applying: Revert "feat: support auto generation of ContainerSource identity service account and expose in AuthStatus (#7461)"
Using index info to reconstruct a base tree...
M	pkg/reconciler/containersource/controller.go
M	pkg/reconciler/containersource/controller_test.go
Falling back to patching base and 3-way merge...
Auto-merging pkg/reconciler/containersource/controller_test.go
Auto-merging pkg/reconciler/containersource/controller.go
CONFLICT (content): Merge conflict in pkg/reconciler/containersource/controller.go
error: Failed to merge in the changes.
hint: Use 'git am --show-current-patch=diff' to see the failed patch
Patch failed at 0001 Revert "feat: support auto generation of ContainerSource identity service account and expose in AuthStatus (#7461)"
When you have resolved this problem, run "git am --continue".
If you prefer to skip this patch, run "git am --skip" instead.
To restore the original branch and stop patching, run "git am --abort".

In response to this:

/cherry-pick release-1.13

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-sigs/prow repository.