bump(vercel): de37d319 → 19606ac1 (#4464)

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

.claude-plugin/marketplace.json

@@ -3587,7 +3587,7 @@
       "source": {
         "source": "url",
         "url": "https://github.com/vercel/vercel-plugin.git",
-        "sha": "de37d3199cd0f62cd7efdc4a9489e111e2deeedb"
+        "sha": "19606ac163fef2f8f967fa14ae13522d68efeccd"
       },
       "homepage": "https://github.com/vercel/vercel-plugin"
     },