Renovate configuration (#298)

.github/renovate.json

@@ -0,0 +1,22 @@
+{
+  "$schema": "https://docs.renovatebot.com/renovate-schema.json",
+  "extends": [
+    "config:base",
+    ":combinePatchMinorReleases",
+    ":dependencyDashboard",
+    ":maintainLockFilesWeekly",
+    ":pinAllExceptPeerDependencies",
+    ":prConcurrentLimit10",
+    ":rebaseStalePrs",
+    "schedule:weekends",
+    ":separateMajorReleases"
+  ],
+  "enabledManagers": ["github-actions", "npm"],
+  "packageRules": [
+    {
+      "groupName": "{{manager}}",
+      "matchPackagePatterns": ["*"],
+      "matchUpdateTypes": ["minor", "patch"]
+    }
+  ]
+}