Fix renovate config for git submodule #361

Author: mokuzon

Diff for: renovate.json

@@ -0,0 +1,34 @@
+  {
+    "$schema": "https://docs.renovatebot.com/renovate-schema.json",
+    "extends": [
+      "config:recommended"
+    ],
+    "timezone": "Asia/Tokyo",
+    "automerge": true,
+    "platformAutomerge": true,
+    "git-submodules": {
+      "enabled": true
+    },
+    "labels": [
+      "dependency upgrade"
+    ],
+    "packageRules": [
+      {
+        "matchPackagePatterns": [
+          "line-openapi"
+        ],
+        "labels": [
+          "dependency upgrade",
+          "line-openapi-update"
+        ],
+        // In many cases, we would like to update line-openapi by dispatching the GitHub workflow during working
+        // hours, as there are code changes.
+        // If that is forgotten, there's a possibility that line-openapi updates or code changes won't happen at
+        // all, so we allow it to run at night just in case.
+        "schedule": [
+          "after 11pm",
+          "before 4am"
+        ]
+      },
+    ]
+  }