Local registry example uses port 5001 to be more mac friendly

[chaodaiG]

ref: #1213 (comment)

Consider using a different port than 5000 since its used by Apple MacOS Monterrey

pair programmed with @BenTheElder and figured this out

/cc @BenTheElder

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[chaodaiG]

this was tested in prow integration test and it worked kubernetes/test-infra#25134

[BenTheElder]

/ok-to-test

[BenTheElder]

/lgtm
/approve

thank you!

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[BenTheElder]

Vagrant flakes.

[Dentrax]

Is this documentation up-to-date? https://kind.sigs.k8s.io/docs/user/local-registry/

I had to push the image to 5000 port on fresh kind cluster. Otherwise I got: Get "http://localhost:5001/v2/": dial tcp [::1]:5001: connect: connection refused

[BenTheElder]

@Dentrax the docs cover the updated setup, you must be running the registry on port 5001 to push to 5001, if you already had a registry running on the previous 5000 then continue pushing on 5000, or else recreate the entire setup (delete the registry container and clusters, use the updated script).