workspace: add Rust EFI infrastructure

This bumps rules_rust, cleans up the toolchains with the new version.
It also adds the Prost codegen to "normal" crate set as well as a new
crate set specific to EFI. This is separate because of Rust no-std's
dependence on create feature tags.

Change-Id: Ie76e66ee83696948391420ca3b011a3a71258690
Reviewed-on: https://review.monogon.dev/c/monogon/+/2202
Tested-by: Jenkins CI
Reviewed-by: Serge Bazanski <serge@monogon.tech>
diff --git a/third_party/rust/cargo/remote/BUILD.tracing-0.1.37.bazel b/third_party/rust/cargo/remote/BUILD.tracing-0.1.37.bazel
index 1833f51..32bf621 100644
--- a/third_party/rust/cargo/remote/BUILD.tracing-0.1.37.bazel
+++ b/third_party/rust/cargo/remote/BUILD.tracing-0.1.37.bazel
@@ -73,9 +73,9 @@
     # buildifier: leave-alone
     deps = [
         "@raze__cfg_if__1_0_0//:cfg_if",
-        "@raze__log__0_4_17//:log",
-        "@raze__pin_project_lite__0_2_9//:pin_project_lite",
-        "@raze__tracing_core__0_1_30//:tracing_core",
+        "@raze__log__0_4_20//:log",
+        "@raze__pin_project_lite__0_2_13//:pin_project_lite",
+        "@raze__tracing_core__0_1_31//:tracing_core",
     ],
 )