Merge pull request #1 from awestlake87/dependabot/cargo/tokio-1.0

Update tokio requirement from 0.3 to 1.0

Author: awestlake87

Cargo.toml

@@ -17,4 +17,4 @@ futures = "0.3"
 lazy_static = "1.4"
 once_cell = "1.5"
 pyo3 = "0.13"
-tokio = { version = "0.3", features = ["full"] }
+tokio = { version = "1.0", features = ["full"] }