Update solo dependencies (#112)

Resolves [Dependabot
alert](https://github.com/linux-credentials/libwebauthn/security/dependabot/8)
due to `atty` being deprecated.

Author: AlfioEmanueleFresta

Cargo.lock

@@ -11,5 +11,5 @@ path = "src/lib.rs"
 
 [dependencies]
 log = "0.4"
-env_logger = "0.7.1"
-tokio = {version = "1.14.0", features = ["process", "io-util", "rt"]}
+env_logger = "0.11.8"
+tokio = {version = "1.45.1", features = ["process", "io-util", "rt"]}