Bug fix #321: psi template, update curve_type to ecdh_curve

[gxcuit]

Hi there,

I noticed the latest psi, the attrs of curve has changed to ecdh_curve. However, the template in the cuscia did not change accordingly.

https://github.com/secretflow/secretpad/blob/1467a1bdb6f38a31aa81cf93425a4ac1850b48e3/config/components/secretflow.json#L286

[github-actions]

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[gxcuit]

#321

[gxcuit]

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CLA Assistant Lite bot: Thank you for your submission, we really appreciate it. Like many open-source projects, we ask that you sign our Contributor License Agreement before we can accept your contribution. You can sign the CLA by just posting a Pull Request Comment same as the below format.

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[UniqueMarvin]

Thank you for contributing the code. This PR is outdated, so I have closed it for now.