chore(example_wallet_esplora_async): bump tokio to 1.38.1

Author: luisschwab

examples/example_wallet_esplora_async/Cargo.toml

@@ -8,5 +8,5 @@ edition = "2021"
 [dependencies]
 bdk_wallet = { path = "../../wallet", features = ["rusqlite"] }
 bdk_esplora = { version = "0.20", features = ["async-https", "tokio"] }
-tokio = { version = "1", features = ["rt", "rt-multi-thread", "macros"] }
+tokio = { version = "1.38.1", features = ["rt", "rt-multi-thread", "macros"] }
 anyhow = "1"