Prepare for merging from rust-lang/rust

The rustc-josh-sync Cronjob Bot · The rustc-josh-sync Cronjob Bot · commit 901183b91afe · 2025-11-17T04:16:56.000Z
This updates the rust-version file to 69d4d5f.
diff --git a/src/doc/rustc-dev-guide/rust-version b/src/doc/rustc-dev-guide/rust-version
@@ -1 +1 @@
-8401398e1f14a24670ee1a3203713dc2f0f8b3a8
+69d4d5fc0e4db60272aac85ef27ecccef5764f3a
