update renovate configuration

Signed-off-by: Thomas Sjögren <[email protected]>

renovate.json

@@ -1,5 +1,18 @@
 {
+  "$schema": "https://docs.renovatebot.com/renovate-schema.json",
   "extends": [
     "config:base"
-  ]
+  ],
+  "packageRules": [
+    {
+      "matchUpdateTypes": ["minor", "patch", "pin", "digest"],
+      "automerge": true,
+      "automergeType": "branch"
+    },
+    {
+      "matchDepTypes": ["devDependencies"],
+      "automerge": true
+    }
+  ],
+  "platformAutomerge": true
 }