bump(duende-skills): fc252b17 → 91e793df (#4407)

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

.claude-plugin/marketplace.json

@@ -1368,7 +1368,7 @@
       "source": {
         "source": "url",
         "url": "https://github.com/DuendeSoftware/duende-skills.git",
-        "sha": "fc252b1747ee45bffd0d8c6007009f7ae637b09b"
+        "sha": "91e793dfca015a973ea51c4e26deeee1a397a09c"
       },
       "homepage": "https://duendesoftware.com"
     },