Migrate config .github/renovate.json

Author: renovate[bot]

.github/renovate.json

@@ -1,16 +1,27 @@
 {
   "$schema": "https://docs.renovatebot.com/renovate-schema.json",
-  "extends": [":dependencyDashboard", ":semanticPrefixFixDepsChoreOthers", "group:monorepos", "workarounds:all"],
-  "labels": ["dependencies"],
-  "assignees": ["phnx47"],
+  "extends": [
+    ":dependencyDashboard",
+    ":semanticPrefixFixDepsChoreOthers",
+    "group:monorepos",
+    "workarounds:all"
+  ],
+  "labels": [
+    "dependencies"
+  ],
+  "assignees": [
+    "phnx47"
+  ],
   "semanticCommits": "disabled",
   "commitMessageAction": "Bump",
   "commitMessageTopic": "{{depName}}",
   "packageRules": [
     {
       "automerge": true,
-      "sourceUrlPrefixes": ["https://github.com/prom-client-net"],
-      "groupName": "prom-client"
+      "groupName": "prom-client",
+      "matchSourceUrls": [
+        "https://github.com/prom-client-net{/,}**"
+      ]
     }
   ]
 }