Auto merge of #55363 - pietroalbini:update-cargo-vendor, r=Mark-Simul…

…acrum

Bump cargo-vendor version

Currently we pin `cargo-vendor` to 0.1.4, which doesn't set the `User-Agent` HTTP header. crates.io is going to require that header in the near future, so this PR bumps the pinned version of the crate to the latest one (which correctly sets the header).

r? @Mark-Simulacrum
cc @sgrif

src/bootstrap/dist.rs

@@ -912,7 +912,7 @@ impl Step for Src {
     }
 }
 
-const CARGO_VENDOR_VERSION: &str = "0.1.4";
+const CARGO_VENDOR_VERSION: &str = "0.1.19";
 
 #[derive(Debug, PartialOrd, Ord, Copy, Clone, Hash, PartialEq, Eq)]
 pub struct PlainSourceTarball;