wasmtime bench-api build error when using --feature wasi-crypto (#6670)…

… (#6671)

Fixing typo of wasmtime_wasi_nn -> wasmtime_wasi_crypto that was causing
a build error when building the bench-api with the wasi-crypto feature
enabled.

crates/bench-api/src/lib.rs

@@ -518,7 +518,7 @@ impl BenchState {
             #[cfg(feature = "wasi-nn")]
             wasi_nn: wasmtime_wasi_nn::WasiNnCtx::new()?,
             #[cfg(feature = "wasi-crypto")]
-            wasi_crypto: wasmtime_wasi_nn::WasiCryptoCtx::new(),
+            wasi_crypto: wasmtime_wasi_crypto::WasiCryptoCtx::new(),
         };
 
         // NB: Start measuring instantiation time *after* we've created the WASI