Ignore Cake runner minor and patch updates (#497)

Author: pascalberger

.github/renovate.json

@@ -5,6 +5,15 @@
     ":includeNodeModules"
   ],
   "packageRules": [
+    {
+      "description": "Ignore Cake runner minor and patch updates",
+      "matchDepNames": [
+          "Cake.Tool",
+          "Cake.Frosting"
+      ],
+      "matchUpdateTypes": ["minor", "patch"],
+      "enabled": false
+    },
     {
       "description": "Group Azure DevOps packages together",
       "matchManagers": [