Fix for kustomization missing path for inferencepoolimport.yaml.

[bexxmodd]

What type of PR is this?
/kind bug

What this PR does / why we need it:
For release artifacts to include InferencePoolImport CRD.

Which issue(s) this PR fixes:
Fixes #1781

Does this PR introduce a user-facing change?:

NONE

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[bexxmodd]

/cc @danehans

[danehans]

Tested:

$ make artifacts
$ grep -ri "inferencepoolimports" artifacts/experimental-manifests.yaml
artifacts/experimental-manifests.yaml:  name: inferencepoolimports.inference.networking.x-k8s.io
artifacts/experimental-manifests.yaml:    plural: inferencepoolimports
artifacts/experimental-manifests.yaml:          description: InferencePoolImport is the Schema for the InferencePoolImports API.

[danehans]

/lgtm
/approve

[k8s-ci-robot]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: bexxmodd, danehans

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[robscott]

/cherry-pick release-1.1

[robscott]

/cherry-pick release-1.1

Opened #1783 to get this working.