bump(qt-development-skills): 6e3411d7 → 71d6c10d (#3902)

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

.claude-plugin/marketplace.json

@@ -2496,7 +2496,7 @@
       "source": {
         "source": "url",
         "url": "https://github.com/TheQtCompanyRnD/agent-skills.git",
-        "sha": "6e3411d7e58965aa31fa3803c398511f27b29216"
+        "sha": "71d6c10da78b9a764468ae11c86ab3bc4ca4921f"
       },
       "homepage": "https://www.qt.io/"
     },