lightning-transaction-sync: Bump esplora to 0.4

Author: AnthonyRonning

lightning-transaction-sync/Cargo.toml

@@ -25,7 +25,7 @@ lightning = { version = "0.0.114", path = "../lightning", default-features = fal
 bitcoin = { version = "0.29.0", default-features = false }
 bdk-macros = "0.6"
 futures = { version = "0.3", optional = true }
-esplora-client = { version = "0.3", default-features = false, optional = true }
+esplora-client = { version = "0.4", default-features = false, optional = true }
 reqwest = { version = "0.11", optional = true, default-features = false, features = ["json"] }
 
 [dev-dependencies]