Backport of Colorize diag details into v1.14

[github-actions]

Backport

This PR is auto-generated from #38145 to be assessed for backporting due to the inclusion of the label 1.14-backport.

The below text is copied from the body of the original PR.

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Fixes #38137

This formats the details within diagnostics with the colorize package. See the linked issue for an example of how the diagnostics were currently being displayed.

Target Release

1.15.x

Rollback Plan

• If a change needs to be reverted, we will roll out an update to the code within 7 days.

Changes to Security Controls

Are there any changes to security controls (access controls, encryption, logging) in this pull request? If so, explain.

CHANGELOG entry

• This change is user-facing and I added a changelog entry.
• This change is not user-facing.

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Overview of commits

• 04315f5

• 3dfc9d9

[github-actions]

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