Autofix: update-lang-rust (#1626)

Co-authored-by: Autofix <[email protected]>

Author: autofix-bot

chunks/lang-rust/chunk.yaml

@@ -1,4 +1,4 @@
 variants:
   - name: "1"
     args:
-      RUST_VERSION: 1.87.0
+      RUST_VERSION: 1.88.0