Group code graph analysis workflow update by Renovate package name

Author: JohT

renovate.json

@@ -13,8 +13,8 @@
       "groupName": [
         "Code Graph Analysis Pipeline Workflow"
       ],
-      "matchSourceUrls": [
-        "https://github.com/JohT/code-graph-analysis-pipeline"
+      "matchPackageNames": [
+        "JohT/code-graph-analysis-pipeline"
       ]
     }
   ],
@@ -104,4 +104,4 @@
       "datasourceTemplate": "git-refs"
     }
   ]
-}
+}