feat: replace yaml merge tags

[converge]

Fixes #

Merge keys are not officially supported in YAML according to its specifications. These keys are associated with an older version of YAML (1.1), which is now considered obsolete. Additionally, these merge keys haven't been updated or included in the current YAML version (1.2), so there's no guarantee that they will function as expected or be supported. In summary, using merge keys in YAML might not work reliably and is not recommended due to these limitations and lack of support in the latest YAML version.

I attempted to install the YAML mentioned using Kustomize, but the installation failed because Kustomize couldn't properly interpret or render the YAML file.

Similar merged proposal PR for eventing-kafka-brokfer

Proposed Changes

• I suggest that we avoid utilizing merge tags to ensure compliance with YAML specifications, particularly in the latest versions like 1.2.x.

Pre-review Checklist

• At least 80% unit test coverage
• E2E tests for any new behavior
• Docs PR for any user-facing impact
• Spec PR for any new API feature
• Conformance test for any change to the spec

Release Note

Merge keys, which were associated with an older version of YAML (1.1), are no longer officially supported in YAML according to its specifications. YAML version 1.2, the current standard, does not include support for merge keys, rendering them obsolete.

[knative-prow]

Welcome @converge! It looks like this is your first PR to knative/eventing 🎉

[knative-prow]

Hi @converge. 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.

Once the patch is verified, the new status will be reflected by the ok-to-test label.

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[creydr]

Thanks for bringing this up @converge!

/ok-to-test

@matzew @pierDipi @Cali0707 @Leo6Leo FYI: yaml merge keys seem to be not supported anymore

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Comparison is base (5500bed) 74.01% compared to head (ebcf0d8) 74.01%.

Additional details and impacted files

@@           Coverage Diff           @@
##             main    #7662   +/-   ##
=======================================
  Coverage   74.01%   74.01%           
=======================================
  Files         262      262           
  Lines       15172    15172           
=======================================
  Hits        11229    11229           
  Misses       3337     3337           
  Partials      606      606           

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

/test reconciler-tests

[converge]

/retest

[creydr]

Thanks for fixing this @converge

/lgtm

[knative-prow]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: converge, creydr

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[converge]

Thanks for fixing this @converge

/lgtm

thank you guys for the great support!

[Cali0707]

/cherry-pick release-1.13

[knative-prow-robot]

@Cali0707: new pull request created: #7664

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.