Update stars for xk6-dashboard

Signed-off-by: Paul Balogh <[email protected]>

Author: javaducky

src/data/doc-extensions/extensions.json

@@ -535,7 +535,7 @@
         "name": "Iván Szkiba",
         "url": "https://github.com/szkiba"
       },
-      "stars": "76",
+      "stars": "144",
       "type": ["Output"],
       "categories": ["Reporting", "Observability"],
       "tiers": ["Official"],