Recompile with gh-aw main: fix bundle transport in shallow checkouts

Includes #31346 which replaces git merge --ff-only with a direct ref
update when applying bundles, fixing "refusing to merge unrelated
histories" and "repository lacks prerequisite commits" errors.

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

Author: mrjf

.github/aw/actions-lock.json

@@ -24,6 +24,11 @@
       "repo": "github/gh-aw/actions/setup",
       "version": "v0.71.5",
       "sha": "19ac811a4a85389c33b15128e1d7b7d4507f814a"
+    },
+    "github/gh-aw/actions/setup@v0.72.1": {
+      "repo": "github/gh-aw/actions/setup",
+      "version": "v0.72.1",
+      "sha": "489dbab88cc78e35506b5ccbf08a4037166824ac"
     }
   }
 }