deps: add clap to workspace hack

Author: calebcartwright

Cargo.lock

@@ -3512,6 +3512,7 @@ version = "1.0.0"
 dependencies = [
  "bstr",
  "byteorder",
+ "clap 3.1.1",
  "crossbeam-utils",
  "libc",
  "libz-sys",

src/tools/rustc-workspace-hack/Cargo.toml

@@ -73,6 +73,7 @@ features = [
 [dependencies]
 bstr = { version = "0.2.13", features = ["default"] }
 byteorder = { version = "1", features = ['default', 'std'] }
+clap = { version = "3.1.1", features = ["lazy_static", "derive", "clap_derive"]}
 curl-sys = { version = "0.4.13", features = ["http2", "libnghttp2-sys"], optional = true }
 crossbeam-utils = { version = "0.8.0", features = ["nightly"] }
 libc = { version = "0.2.79", features = ["align"] }