bump(youdotcom-agent-skills): 4712250a → b390ddb6 (#4424)

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

.claude-plugin/marketplace.json

@@ -3666,7 +3666,7 @@
       "source": {
         "source": "url",
         "url": "https://github.com/youdotcom-oss/agent-skills.git",
-        "sha": "4712250ae8e5ce3095cad3b43b62b33608888863"
+        "sha": "b390ddb6d0b6c0ec650ce1991eb0c601075476da"
       },
       "homepage": "https://you.com"
     },