chore(renovate): update config

Author: viceice

renovate.json

@@ -3,27 +3,5 @@
   "extends": ["visualon/renovate-config", "visualon/renovate-config:automergePatch"],
   "labels": ["deps"],
   "forkProcessing": "enabled",
-  "packageRules": [
-    {
-      "description": "Automerge test deps",
-      "matchSourceUrls": [
-        "https://github.com/adamralph/minver",
-        "https://github.com/dotnet/sourcelink",
-        "https://github.com/dotnet/roslyn-analyzers",
-        "https://github.com/DotNetAnalyzers/StyleCopAnalyzers",
-        "https://github.com/fluffynuts/NExpect",
-        "https://github.com/microsoft/vstest",
-        "https://github.com/Microsoft/MSBuildSdks",
-        "https://github.com/theramis/Snapper",
-        "https://nsubstitute.github.io/",
-        "https://togithub.com/fluffynuts/NExpect"
-      ],
-      "automerge": true
-    },
-    {
-      "description": "Automerge test deps",
-      "matchSourceUrlPrefixes": ["https://github.com/nsubstitute/", "https://github.com/nunit/"],
-      "automerge": true
-    }
-  ]
+  "automergeType": "pr"
 }