chore(examples): pin chain-src crates for wallet examples

Author: evanlinjin

example-crates/example_wallet_electrum/Cargo.toml

@@ -5,5 +5,5 @@ edition = "2021"
 
 [dependencies]
 bdk_wallet = { path = "../../crates/wallet", features = ["file_store"] }
-bdk_electrum = { path = "../../crates/electrum" }
+bdk_electrum = { version = "0.21" }
 anyhow = "1"

example-crates/example_wallet_esplora_async/Cargo.toml

@@ -7,6 +7,6 @@ edition = "2021"
 
 [dependencies]
 bdk_wallet = { path = "../../crates/wallet", features = ["rusqlite"] }
-bdk_esplora = { path = "../../crates/esplora", features = ["async-https", "tokio"] }
+bdk_esplora = { version = "0.20", features = ["async-https", "tokio"] }
 tokio = { version = "1", features = ["rt", "rt-multi-thread", "macros"] }
 anyhow = "1"

example-crates/example_wallet_esplora_blocking/Cargo.toml

@@ -8,5 +8,5 @@ publish = false
 
 [dependencies]
 bdk_wallet = { path = "../../crates/wallet", features = ["file_store"] }
-bdk_esplora = { path = "../../crates/esplora", features = ["blocking"] }
+bdk_esplora = { version = "0.20", features = ["blocking"] }
 anyhow = "1"

example-crates/example_wallet_rpc/Cargo.toml

@@ -7,7 +7,7 @@ edition = "2021"
 
 [dependencies]
 bdk_wallet = { path = "../../crates/wallet", features = ["file_store"] }
-bdk_bitcoind_rpc = { path = "../../crates/bitcoind_rpc" }
+bdk_bitcoind_rpc = { version = "0.18" }
 
 anyhow = "1"
 clap = { version = "4.5.17", features = ["derive", "env"] }