fix(deps): update rust crate leptos to 0.8.0 (#86)

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

Author: renovate[bot]

Cargo.lock

@@ -12,7 +12,7 @@ version.workspace = true
 [dependencies]
 console_error_panic_hook = "0.1.7"
 console_log = "1.0.0"
-leptos = { version = "0.7.0", features = ["csr"] }
+leptos = { version = "0.8.0", features = ["csr"] }
 log.workspace = true
 
 [features]