Update webhook closed PR message link to clau.de

Replace the Google Forms link with the new plugin directory
submission link (https://clau.de/plugin-directory-submission).

https://claude.ai/code/session_01NxRDJKDvFR2d4wC4ppDEDT

.claude-plugin/marketplace.json

@@ -684,17 +684,6 @@
         "url": "https://github.com/semgrep/mcp-marketplace.git"
       },
       "homepage": "https://github.com/semgrep/mcp-marketplace.git"
-    },
-    {
-      "name": "chrome-devtools-mcp",
-      "description": "Control and inspect a live Chrome browser from your coding agent. Record performance traces, analyze network requests, check console messages with source-mapped stack traces, and automate browser actions with Puppeteer.",
-      "category": "development",
-      "source": {
-        "source": "url",
-        "url": "https://github.com/ChromeDevTools/chrome-devtools-mcp.git",
-        "sha": "c2d8009ff75f76bce1ec4cf79c2467b50d81725e"
-      },
-      "homepage": "https://github.com/ChromeDevTools/chrome-devtools-mcp"
     }
   ]
 }