Prepare for merging from rust-lang/rust

The rustc-josh-sync Cronjob Bot · The rustc-josh-sync Cronjob Bot · commit c850c272cf91 · 2025-11-03T04:17:30.000Z
This updates the rust-version file to c5dabe8.
diff --git a/src/doc/rustc-dev-guide/rust-version b/src/doc/rustc-dev-guide/rust-version
@@ -1 +1 @@
-b1b464d6f61ec8c4e609c1328106378c066a9729
+c5dabe8cf798123087d094f06417f5a767ca73e8
