add renovate bot config

Author: kawabuchi4280

.github/renovate.json

@@ -0,0 +1,10 @@
+{
+  "$schema": "https://docs.renovatebot.com/renovate-schema.json",
+  "packageRules": [
+    {
+      "matchFileNames": [".github/workflows/release.yml"],
+      "matchPackageNames": ["changesets/action"],
+      "enabled": false
+    }
+  ]
+}