chore(renovate): align schedule and add onboarding guardrails

.gitea/workflows/renovate.yaml

@@ -39,4 +39,6 @@ jobs:
                 -e RENOVATE_AUTODISCOVER=false \
                 -e RENOVATE_BINARY_SOURCE=install \
                 -e LOG_LEVEL \
+                -e RENOVATE_ONBOARDING=auto \
+                -e RENOVATE_REQUIRE_CONFIG=required \
                 "renovate/renovate:${RENOVATE_VERSION}"

renovate.json

@@ -12,6 +12,8 @@
 	"osvVulnerabilityAlerts": true,
 	"configMigration": true,
 	"automergeStrategy": "squash",
+	"schedule": ["after 4:00 am and before 5:00 am on monday through friday", "at 4:17 am on monday through friday"],
+	"timezone": "Europe/Amsterdam",
 	"prConcurrentLimit": 5,
 	"prHourlyLimit": 3,
 	"minimumReleaseAge": "3 days",