fix(deps): update rust crate tokio to 1.26.0 (#5556)

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>
Co-authored-by: kodiakhq[bot] <49736102+kodiakhq[bot]@users.noreply.github.com>

Author: renovate[bot]

src/functions-templates/rust/hello-world/Cargo.toml

@@ -11,4 +11,4 @@ http = "0.2.9"
 lambda_runtime = "0.7.3"
 log = "0.4.17"
 simple_logger = "1.16.0"
-tokio = "1.25.0"
+tokio = "1.26.0"