feat(ci): renovate config

Author: carole-lavillonniere

renovate.json

@@ -0,0 +1,26 @@
+{
+  "extends": ["config:recommended"],
+  "labels": ["dependencies", "renovate"],
+  "timezone": "UTC",
+  "schedule": ["* 4 * * 1"], 
+  "packageRules": [
+    {
+      "matchManagers": ["gomod"],
+      "enabled": true,
+      "groupName": "Go dependencies",
+      "automerge": false
+    },
+    {
+      "matchManagers": ["gomod"],
+      "matchDepTypes": ["golang"],
+      "groupName": "Go toolchain",
+      "automerge": false,
+      "rangeStrategy": "bump"
+    },
+    {
+      "matchManagers": ["github-actions"],
+      "groupName": "GitHub Actions",
+      "automerge": false
+    }
+  ]
+}