chore: add renovate config

Author: KyoheiG3

renovate.json

@@ -0,0 +1,42 @@
+{
+    "$schema": "https://docs.renovatebot.com/renovate-schema.json",
+    "extends": [
+        "config:recommended",
+        "group:allNonMajor",
+        ":semanticCommits",
+        ":semanticCommitTypeAll(chore)",
+        ":semanticCommitScopeDisabled"
+    ],
+    "dependencyDashboard": false,
+    "major": {
+        "minimumReleaseAge": "7 days"
+    },
+    "minor": {
+        "minimumReleaseAge": "3 days"
+    },
+    "patch": {
+        "minimumReleaseAge": "2 days"
+    },
+    "lockFileMaintenance": {
+        "enabled": true
+    },
+    "packageRules": [
+        {
+            "matchUpdateTypes": [
+                "minor",
+                "patch",
+                "pin",
+                "digest"
+            ],
+            "automerge": true
+        },
+        {
+            "groupName": "gradle",
+            "matchManagers": [
+                "gradle",
+                "gradle-wrapper"
+            ],
+            "enabled": false
+        }
+    ]
+}