🐛 fix: incorrect name used in kustomize path

[richardcase]

What this PR does / why we need it:

A kustomization file used in the test framework is using an incorrect field name after its change to kustomize v5. Specifically it was using patch instead of path which cause kustomize to fail when building.

You would only see this if you do something like this in your tests:

import (
   "sigs.k8s.io/cluster-api/test/framework/kubernetesversions"
)

		ciTemplateForUpgradePath, err := kubernetesversions.GenerateCIArtifactsInjectedTemplateForDebian(
			kubernetesversions.GenerateCIArtifactsInjectedTemplateForDebianInput{
				ArtifactsDirectory:    e2eCtx.Settings.ArtifactFolder,
				SourceTemplate:        sourceTemplateForUpgrade,
				PlatformKustomization: platformKustomization,
			},
		)

Which issue(s) this PR fixes (optional, in fixes #<issue number>(, fixes #<issue_number>, ...) format, will close the issue(s) when PR gets merged):
Fixes #

/area testing

[damdo]

/lgtm
/assign @JoelSpeed @sbueringer

[k8s-ci-robot]

LGTM label has been added.

Git tree hash: 8312b363ab87483726ed0f8901cd4f45bfeb8a25

[sbueringer]

Thx!

/approve

Feel free to cherry-pick if useful

[k8s-ci-robot]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: sbueringer

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[richardcase]

Thanks @sbueringer 🙇

/cherrypick release-1.8

[k8s-infra-cherrypick-robot]

@richardcase: once the present PR merges, I will cherry-pick it on top of release-1.8 in a new PR and assign it to you.

In response to this:

Thanks @sbueringer 🙇

/cherrypick release-1.8

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[k8s-infra-cherrypick-robot]

@richardcase: new pull request created: #11307

In response to this:

Thanks @sbueringer 🙇

/cherrypick release-1.8

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