[Backport] Translate comment tag in DHL config settings

[yogeshsuhagiya]

Original Pull Request

#22207

Description (*)

Added translation for the comment tag of the following field

• STORES > Settings > Configuration > SALES > Shipping Methods > DHL > Content Type (Non Domestic)

Fixed Issues (if relevant)

1. N/A

Manual testing scenarios (*)

1. N/A

Contribution checklist (*)

• Pull request has a meaningful description of its purpose
• All commits are accompanied by meaningful commit messages
• All new or changed code is covered with unit/integration tests (if applicable)
• All automated tests passed successfully (all builds on Travis CI are green)

[m2-assistant]

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[magento-engcom-team]

Hi @kalpmehta, thank you for the review.
ENGCOM-4795 has been created to process this Pull Request

[VasylShvorak]

✔️ QA passed

[m2-assistant]

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