Update cargo submodule

src/bootstrap/src/core/build_steps/dist.rs

@@ -1445,7 +1445,7 @@ impl Step for Cargo {
 
         let cargo = builder.ensure(tool::Cargo::from_build_compiler(build_compiler, target));
         let src = builder.src.join("src/tools/cargo");
-        let etc = src.join("src/etc");
+        let etc = src.join("etc");
 
         // Prepare the image directory
         let mut tarball = Tarball::new(builder, "cargo", &target.triple);

src/bootstrap/src/core/build_steps/doc.rs

@@ -70,7 +70,7 @@ macro_rules! book {
 // adding a build step in `src/bootstrap/code/builder/mod.rs`!
 // NOTE: Make sure to add the corresponding submodule when adding a new book.
 book!(
-    CargoBook, "src/tools/cargo/src/doc", "cargo", &[];
+    CargoBook, "src/tools/cargo/doc/book", "cargo", &[];
     ClippyBook, "src/tools/clippy/book", "clippy", &[];
     EditionGuide, "src/doc/edition-guide", "edition-guide", &[];
     EmbeddedBook, "src/doc/embedded-book", "embedded-book", &[];

src/bootstrap/src/core/builder/cli_paths/snapshots/x_doc.snap

@@ -50,7 +50,7 @@ expression: doc
     - Set({doc::src/doc/rustc})
 [Doc] doc::CargoBook
     targets: [aarch64-unknown-linux-gnu]
-    - Set({doc::src/tools/cargo/src/doc})
+    - Set({doc::src/tools/cargo/doc/book})
 [Doc] doc::ClippyBook
     targets: [aarch64-unknown-linux-gnu]
     - Set({doc::src/tools/clippy/book})