Fix incorrect kubectl attach commands in image volume documentation

[yanhuan0802]

Description

This PR fixes incorrect kubectl attach commands in the image volume documentation.

The original commands used kubectl attach -it image-volume bash, which:

1. Includes an invalid bash argument (kubectl attach doesn't accept command arguments)
2. Cannot provide interactive shell access when the container's main process is sleep infinity

All instances have been replaced with kubectl exec -it image-volume -- bash, which correctly:

• Starts a new bash process inside the container
• Provides proper interactive terminal access
• Follows Kubernetes best practices for container interaction

Files modified:

• content/en/docs/tasks/configure-pod-container/image-volumes.md (2 occurrences)
• content/en/blog/_posts/2025-04-29-image-volume-beta/index.md (1 occurrence)

Issue

#53623

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[dipesh-rawat]

@yanhuan0802 Thanks for your contribution. It appears that this PR includes changes to files across multiple languages English and Chinese. However, docs follows different processes for each localization, and and we typically don't accept pull requests that impact multiple languages simultaneously. I would recommend modify only the primary website content (which means only English content) initially with this PR. After the merge of the English content, we could create separate pull request for the remaining language(s). I hope this suggestion is helpful.

[dipesh-rawat]

Explicit hold until this PR only covers one language
(Ok to unhold once that's done)
/hold

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Details

Needs approval from an approver in each of these files:

• content/en/blog/OWNERS
• content/en/docs/OWNERS

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[yanhuan0802]

@yanhuan0802 Thanks for your contribution. It appears that this PR includes changes to files across multiple languages English and Chinese. However, docs follows different processes for each localization, and and we typically don't accept pull requests that impact multiple languages simultaneously. I would recommend modify only the primary website content (which means only English content) initially with this PR. After the merge of the English content, we could create separate pull request for the remaining language(s). I hope this suggestion is helpful.

@dipesh-rawat Updated. PTAL

[windsonsea]

/remove-language zh
/remove-area localization
/unhold

[stmcginnis]

Is there a reason for switching from attach to exec?