bump(box): 16f1a042 → 172a8273 (#3620)

Co-authored-by: github-actions[bot] <41898282+github-actions[bot]@users.noreply.github.com>

.claude-plugin/marketplace.json

@@ -504,7 +504,7 @@
       "source": {
         "source": "url",
         "url": "https://github.com/box/box-for-ai.git",
-        "sha": "16f1a0427710b0812519ea634cd5ce6830bde8fc"
+        "sha": "172a8273f5d532c13ef6a3057e50c30e5368a2aa"
       },
       "skills": [
         "./skills/box",