docs: add hpsf conference image link

[gunjjoshi]

Resolves None.

Description

What is the purpose of this pull request?

This pull request:

• adds the image link for the talk added in docs: add hpsf talk #11832.

Related Issues

Does this pull request have any related issues?

This pull request has the following related issues:

• None.

Questions

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No.

Other

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No.

Checklist

Please ensure the following tasks are completed before submitting this pull request.

• Read, understood, and followed the contributing guidelines.

AI Assistance

When authoring the changes proposed in this PR, did you use any kind of AI assistance?

• Yes
• No

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• Code generation (e.g., when writing an implementation or fixing a bug)
• Test/benchmark generation
• Documentation (including examples)
• Research and understanding

Disclosure

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None.

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