chore: use renovate

Author: ematipico

.github/dependabot.yml

@@ -0,0 +1,16 @@
+{
+  "$schema": "https://docs.renovatebot.com/renovate-schema.json",
+  "timezone": "Europe/Gibraltar",
+  "schedule": ["before 9am on monday"],
+  "extends": [
+    "config:best-practices",
+    "helpers:pinGitHubActionDigestsToSemver",
+    "customManagers:biomeVersions"
+  ],
+  "rangeStrategy": "bump",
+  "lockFileMaintenance": {
+    "enabled": false
+  },
+  "assignees": ["@biomejs/maintainers", "@biomejs/core-contributors"],
+  "cloneSubmodules": true
+}