bump rustc_tools_util version

Author: RalfJung

src/tools/miri/cargo-miri/Cargo.lock

@@ -1,6 +1,6 @@
 # This file is automatically @generated by Cargo.
 # It is not intended for manual editing.
-version = 3
+version = 4
 
 [[package]]
 name = "anyhow"
@@ -202,9 +202,9 @@ dependencies = [
 
 [[package]]
 name = "rustc_tools_util"
-version = "0.3.0"
+version = "0.4.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "8ba09476327c4b70ccefb6180f046ef588c26a24cf5d269a9feba316eb4f029f"
+checksum = "3316159ab19e19d1065ecc49278e87f767a9dae9fae80348d2b4d4fa4ae02d4d"
 
 [[package]]
 name = "rustc_version"

src/tools/miri/cargo-miri/Cargo.toml

@@ -26,4 +26,4 @@ rustc-build-sysroot = "0.5.4"
 serde = { version = "1.0.185", features = ["derive"] }
 
 [build-dependencies]
-rustc_tools_util = "0.3"
+rustc_tools_util = "0.4"