Fix broken links in docs (#3411)

`crate_universe.md` does not exist anymore but is split into bzlmod or
workspace. I updated the URLs/files so that you don't get a 404.

Author: hofbi

crate_universe/README.md

@@ -4,8 +4,8 @@
 
 ## [Documentation][docs]
 
-For detailed documentation. See https://bazelbuild.github.io/rules_rust/crate_universe.html
+For detailed documentation. See https://bazelbuild.github.io/rules_rust/external_crates.html
 
 [cargo]: https://doc.rust-lang.org/cargo/
 [bazel]: https://bazel.build/
-[docs]: https://bazelbuild.github.io/rules_rust/crate_universe.html
+[docs]: https://bazelbuild.github.io/rules_rust/external_crates.html

docs/src/external_crates.md

@@ -1,3 +1,3 @@
 # External Dependencies
 
-[crate_universe](crate_universe.md) ([crate_universe bzlmod](crate_universe_bzlmod.md)) is a tool built into `rules_rust` that can be used to fetch dependencies.
+[crate_universe workspace](crate_universe_workspace.md) ([crate_universe bzlmod](crate_universe_bzlmod.md)) is a tool built into `rules_rust` that can be used to fetch dependencies.

examples/all_deps_vendor/README.md

@@ -141,7 +141,7 @@ def sys_deps():
 
     Commonly `*-sys` crates are built on top of some existing library and
     will have a number of dependencies. The examples here use
-    [crate_universe](https://bazelbuild.github.io/rules_rust/crate_universe.html)
+    [crate_universe workspace](https://bazelbuild.github.io/rules_rust/crate_universe_workspace.html)
     to gather these dependencies and make them available in the workspace.
     """
 

examples/crate_universe/DEVELOPMENT.md

@@ -1,4 +1,4 @@
-# Developing crate_universe examples
+# Developing crate_universe workspace examples
 
 ## Bootstrapping
 
@@ -23,5 +23,4 @@ After bootstrapping, Bazel lockfiles can be regenerated by running the following
 CARGO_BAZEL_REPIN=1 bazel test //...
 ```
 
-For more information on repinning, see: https://bazelbuild.github.io/rules_rust/crate_universe.html#repinning--updating-dependencies
-
+For more information on repinning, see: https://bazelbuild.github.io/rules_rust/crate_universe_workspace.html#repinning--updating-dependencies