kubectl: add port names to describe pod output

[rushmash91]

What type of PR is this?
/kind feature
/sig cli

What this PR does / why we need it:
Adds port names to kubectl describe pod output to make it easier to identify port purposes without referencing the original manifest.

Which issue(s) this PR fixes:
Fixes kubernetes/kubectl#1755

Special notes for your reviewer:
This change only affects the display formatting of container ports in describe output. The logic gracefully handles both named and unnamed ports.

When describing pods, include port names alongside port numbers to make it easier to identify port purposes without referencing the original manifest.

Example output:

Ports: 80/TCP (http), 443/TCP (https)

This eliminates work when creating services or understanding port purposes, especially for external resources deployed via helm charts.

Does this PR introduce a user-facing change?

kubectl: `describe pod` now includes port names alongside port numbers (e.g., "80/TCP (http)") when port names are specified in the pod spec.

[linux-foundation-easycla]

• ✅login: rushmash91 / (1d0fd59)

The committers listed above are authorized under a signed CLA.

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[k8s-ci-robot]

Hi @rushmash91. Thanks for your PR.

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[a-hilaly]

/ok-to-test

[a-hilaly]

Thanks @rushmash91 !

[a-hilaly]

cc @dims @eddiezane

[mpuckett159]

/assign

[ardaguclu]

/triage accepted
/priority backlog
/label release-note

[k8s-ci-robot]

@ardaguclu: The label(s) /label release-note cannot be applied. These labels are supported: api-review, tide/merge-method-merge, tide/merge-method-rebase, tide/merge-method-squash, team/katacoda, refactor, ci-short, ci-extended, ci-full, official-cve-feed. Is this label configured under labels -> additional_labels or labels -> restricted_labels in plugin.yaml?

In response to this:

/triage accepted
/priority backlog
/label release-note

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[ardaguclu]

/priority backlog
/release-note

[k8s-ci-robot]

@ardaguclu: the /release-note and /release-note-action-required commands have been deprecated.
Please edit the release-note block in the PR body text to include the release note. If the release note requires additional action include the string action required in the release note. For example:

```release-note
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In response to this:

/priority backlog
/release-note

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-sigs/prow repository.

[ardaguclu]

/priority backlog
/release-note describe pod now includes port names alongside port numbers (e.g., "80/TCP (http)") when port names are specified in the pod spec.

[ardaguclu]

/release-note "describe pod now includes port names alongside port numbers (e.g., "80/TCP (http)") when port names are specified in the pod spec."

[ardaguclu]

/release-note "describe pod now includes port names alongside port numbers"

[ardaguclu]

/release-note-none

[ardaguclu]

That looks nice, thank you
/lgtm
/approve

[k8s-ci-robot]

LGTM label has been added.

Git tree hash: be430d32883f49dc68e45ba6d4bf469831ce4b31

[k8s-ci-robot]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: a-hilaly, ardaguclu, rushmash91

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