feat: add renovate job

Author: escalate

jobs/renovate/recommended-renovate.json

@@ -0,0 +1,4 @@
+{
+  "$schema": "https://docs.renovatebot.com/renovate-schema.json",
+  "extends": ["config:recommended"]
+}

jobs/renovate/renovate.sh

@@ -0,0 +1,7 @@
+#!/bin/bash
+set -e -E -u -C -o pipefail
+
+echo "[$(date '+%Y-%m-%d %H:%M:%S')] Git repository: ${REPOSITORY}"
+
+echo "${REPOSITORY} - Override renovate.json"
+curl --silent --show-error --fail-with-body "https://raw.githubusercontent.com/escalate/multi-gitter-scripts/refs/heads/master/jobs/renovate/recommended-renovate.json" --output renovate.json