Autofix: update-tool-bun (#1566)

Co-authored-by: Autofix <autofix-bot@users.noreply.github.com>

Author: autofix-bot

chunks/tool-bun/chunk.yaml

@@ -1,4 +1,4 @@
 variants:
   - name: "1"
     args:
-      BUN_VERSION: 1.2.8
+      BUN_VERSION: 1.2.9