🌱 Bump kubernetes/release notes tool to v0.16.5

[AndiDog]

What type of PR is this?

/kind support

What this PR does / why we need it:

We saw this tool upgrade needed to correctly get the changelog items for release v2.4.0.

Fixes: #4792

Checklist:

• squashed commits
• includes documentation
• includes emojis
• adds unit tests
• adds or updates e2e tests

Release note:

NONE

[AndiDog]

/assign @damdo @dlipovetsky

[damdo]

/lgtm

[richardcase]

/cherry-pick release-2.3

[k8s-infra-cherrypick-robot]

@richardcase: once the present PR merges, I will cherry-pick it on top of release-2.3 in a new PR and assign it to you.

In response to this:

/cherry-pick release-2.3

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.

[richardcase]

/lgtm
/approve

[k8s-ci-robot]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: richardcase

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[k8s-infra-cherrypick-robot]

@richardcase: new pull request created: #4801

In response to this:

/cherry-pick release-2.3

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.