build(deps): update bitcoind requirement from 0.37.0 to 0.38.0

Updates the requirements on [bitcoind](https://github.com/rust-bitcoin/corepc) to permit the latest version.
- [Commits](rust-bitcoin/corepc@bitcoind-0.37.0...bitcoind-0.38.0)

---
updated-dependencies:
- dependency-name: bitcoind
  dependency-version: 0.38.0
  dependency-type: direct:production
...

Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]

Cargo.toml

@@ -26,7 +26,7 @@ hex-conservative = { version = "0.2.1" } # blame: corepc-node
 
 [dev-dependencies]
 anyhow = { version = "1.0.66" }
-bitcoind = { version = "0.37.0", features = ["download", "29_0"] }
+bitcoind = { version = "0.38.0", features = ["download", "29_0"] }
 
 # These pins are needed for `Cargo-minimal.lock`:
 tar = { version = "0.4.43" } # blame: corepc-node