Update _cargo-new.html.erb

[AshitaGK]

Correction in Rust framework

Summary of changes

Dynamically insert the correct framework name based on the runtime variable passed in the locals object when rendering the partial. The documentation will reference the correct framework instead of Axum as a default framework.

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Notes

[AshitaGK]

@andie787 for reference, please check this issue->https://github.com/superfly/docs/issues/1798