ci: Auto-update composite actions with scripting

[jonathan-innis]

Fixes #N/A

Description

This change ensures that we add each directory that contains a composite action to our dependabot.yaml file so that we ensure that we continue to get auto-updates for these actions

How was this change tested?

make verify

By submitting this pull request, I confirm that my contribution is made under the terms of the Apache 2.0 license.

[k8s-ci-robot]

@jonathan-innis: The following tests failed, say /retest to rerun all failed tests or /retest-required to rerun all mandatory failed tests:

Test name	Commit	Details	Required	Rerun command
pull-karpenter-test-1-27	0c43ee7	link	false	/test pull-karpenter-test-1-27
pull-karpenter-test-1-26	0c43ee7	link	false	/test pull-karpenter-test-1-26
pull-karpenter-test-1-29	0c43ee7	link	false	/test pull-karpenter-test-1-29
pull-karpenter-test-1-28	0c43ee7	link	false	/test pull-karpenter-test-1-28

Full PR test history. Your PR dashboard. Please help us cut down on flakes by linking to an open issue when you hit one in your PR.

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[jmdeal]

LGTM 🚀

[k8s-ci-robot]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: jmdeal, jonathan-innis

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[jmdeal]

/lgtm