Use shadow-rs 0.6 in nu-cli. (#3759)

`nu-command` was already using `shadow-rs` 0.6, so there were two
copies being built and used. This makes them match up.

Cargo.lock

@@ -3186,7 +3186,7 @@ dependencies = [
  "rustyline",
  "serde 1.0.126",
  "serde_yaml",
- "shadow-rs 0.5.25",
+ "shadow-rs",
  "strip-ansi-escapes",
 ]
 
@@ -3268,7 +3268,7 @@ dependencies = [
  "serde_urlencoded",
  "serde_yaml",
  "sha2 0.9.5",
- "shadow-rs 0.6.2",
+ "shadow-rs",
  "strip-ansi-escapes",
  "sxd-document",
  "sxd-xpath",
@@ -5534,16 +5534,6 @@ dependencies = [
  "opaque-debug",
 ]
 
-[[package]]
-name = "shadow-rs"
-version = "0.5.25"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "110e0e7bde3d3f0f2a4284f250c40f1f6ed7ef1eef281598f8eb76838ac42305"
-dependencies = [
- "chrono",
- "git2",
-]
-
 [[package]]
 name = "shadow-rs"
 version = "0.6.2"

crates/nu-cli/Cargo.toml

@@ -28,12 +28,12 @@ pretty_env_logger = "0.4.0"
 strip-ansi-escapes = "0.1.0"
 rustyline = { version="8.1.0", optional=true }
 ctrlc = { version="3.1.7", optional=true }
-shadow-rs = { version="0.5", default-features=false, optional=true }
+shadow-rs = { version="0.6", default-features=false, optional=true }
 serde = { version="1.0.123", features=["derive"] }
 serde_yaml = "0.8.16"
 
 [build-dependencies]
-shadow-rs = "0.5"
+shadow-rs = "0.6"
 
 [features]
 default = ["shadow-rs"]