Clarify a potentially confusing deprecation message [MNG-3057]

[bradenmacdonald]

Description

I just noticed that a certain deprecation warning hasn't been updated to mention the mako service which was introduced in #29354 , so this updates the text. I'm not sure if/when anyone is going to see this though if all the existing blocks have been converted to the new service already.

Supporting information

Testing instructions

Not really necessary.

Deadline

None

Other information

Suggested reviewer: @pomegranited

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[natabene]

@bradenmacdonald Thank you for your contribution. Is this ready for our review?

[bradenmacdonald]

@natabene Yes, thanks. I think @pomegranited would be a good reviewer.

[natabene]

@pomegranited Would you like to review?

[pomegranited]

Hi @natabene , yep, I can review! I've scheduled this for next week.

[pomegranited]

Thanks for spotting this issue @bradenmacdonald ! We converted the XBlocks in edx-platform to use the mako service's render_template method instead, but there's surely XBlocks outside the platform which still use it. So this is worth updating :)

👍

• I tested this N/A -- string change only
• I read through the code
• I checked for accessibility issues N/A
• Updates documentation

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[edx-pipeline-bot]

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[edx-pipeline-bot]

EdX Release Notice: This PR has been deployed to the production environment.