replace deprecated io/ioutil package

[12ya]

No description provided.

[gopherbot]

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[gopherbot]

Message from Gopher Robot:

Patch Set 1:

(1 comment)

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Message from Cherry Mui:

Patch Set 1: Code-Review+2 Commit-Queue+1

(1 comment)

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Message from Go LUCI:

Patch Set 1:

Dry run: CV is trying the patch.

Bot data: {"action":"start","triggered_at":"2025-05-21T15:16:31Z","revision":"92a2611d63e36c99ac01b03c2fc32cb7772fa3d1"}

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Message from Cherry Mui:

Patch Set 1: -Commit-Queue

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Message from Go LUCI:

Patch Set 1:

This CL has passed the run

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Message from Go LUCI:

Patch Set 1: LUCI-TryBot-Result+1

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[gopherbot]

This PR (HEAD: 280f9fd) has been imported to Gerrit for code review.

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[gopherbot]

This PR (HEAD: dcb444a) has been imported to Gerrit for code review.

Please visit Gerrit at https://go-review.googlesource.com/c/arch/+/674775.

Important tips:

• Don't comment on this PR. All discussion takes place in Gerrit.
• You need a Gmail or other Google account to log in to Gerrit.
• To change your code in response to feedback:
  • Push a new commit to the branch used by your GitHub PR.
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  • Critical: you must click the blue Reply button near the top to publish your Gerrit responses.
  • Multiple commits in the PR will be squashed by GerritBot.
• The title and description of the GitHub PR are used to construct the final commit message.
  • Edit these as needed via the GitHub web interface (not via Gerrit or git).
  • You should word wrap the PR description at ~76 characters unless you need longer lines (e.g., for tables or URLs).
• See the Sending a change via GitHub and Reviews sections of the Contribution Guide as well as the FAQ for details.