Update dev-dependencies electrsd to 0.10

Cargo.toml

@@ -87,7 +87,7 @@ test-md-docs = ["electrum"]
 lazy_static = "1.4"
 env_logger = "0.7"
 clap = "2.33"
-electrsd = { version= "0.8", features = ["trigger", "bitcoind_0_21_1"] }
+electrsd = { version= "0.10", features = ["trigger", "bitcoind_0_21_1"] }
 
 [[example]]
 name = "address_validator"