Fix pingsource-mt-adapter crash when initial replica is more than 0

[lionelvillard]

Proposed Changes

• 🐛 Fix pingsource-mt-adapter crash when initial replica is more than 0

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

:bug: Fix pingsource-mt-adapter crash when the initial replicas is set to a value other than 0

Docs

[knative-prow]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: lionelvillard

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

The pull request process is described here

Needs approval from an approver in each of these files:

• OWNERS [lionelvillard]

Approvers can indicate their approval by writing /approve in a comment
Approvers can cancel approval by writing /approve cancel in a comment

[cr22rc]

/lgtm

[codecov]

Codecov Report

Merging #6359 (a030db5) into main (11dd387) will not change coverage.
The diff coverage is n/a.

@@           Coverage Diff           @@
##             main    #6359   +/-   ##
=======================================
  Coverage   82.39%   82.39%           
=======================================
  Files         233      233           
  Lines       11567    11567           
=======================================
  Hits         9531     9531           
  Misses       1573     1573           
  Partials      463      463           

---

Continue to review full report at Codecov.

Legend - Click here to learn more
Δ = absolute <relative> (impact), ø = not affected, ? = missing data
Powered by Codecov. Last update 11dd387...a030db5. Read the comment docs.

[lionelvillard]

/cherry-pick release-1.4

[knative-prow-robot]

@lionelvillard: new pull request created: #6361

In response to this:

/cherry-pick release-1.4

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.