Add renovate.json

Author: renovate[bot]

.github/dependabot.yml

@@ -0,0 +1,21 @@
+{
+  "$schema": "https://docs.renovatebot.com/renovate-schema.json",
+  "extends": [
+    "config:best-practices",
+    ":automergeAll"
+  ],
+  "postUpdateOptions": [
+    "gomodTidy",
+    "gomodUpdateImportPaths"
+  ],
+  "platformAutomerge": true,
+  "automergeStrategy": "squash",
+  "prConcurrentLimit": 2,
+  "nix": {
+    "enabled": true
+  },
+  "lockFileMaintenance": {
+    "enabled": true
+  },
+  "timezone": "Europe/Berlin"
+}