[release-2.3] 🌱 Bump kubernetes/release notes tool to v0.16.5

[k8s-infra-cherrypick-robot]

This is an automated cherry-pick of #4798

/assign richardcase

NONE

[damdo]

/retest

[richardcase]

Having a look at this issue, we don't have separate jobs for the release-2.3 branch :(

[damdo]

/retest

[damdo]

Having a look at this issue, we don't have separate jobs for the release-2.3 branch :(

@richardcase what are the implications then?

[damdo]

/lgtm

[richardcase]

@richardcase what are the implications then?

We may not be running all the checks that we should. Also what checks that do run may be running with a base image that has newer dependencies.

We should create the jobs config for release-2.3....we can also take it as an opportunity to cleanup old jobs.

[richardcase]

/approve

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