ROX-31200: Sync Konfluxbot config

[kurlov]

Description

Sync Konfluxbot config with other stackrox ones:
https://github.com/stackrox/stackrox/blob/master/.github/renovate.json5
https://github.com/stackrox/collector/blob/master/.github/renovate.json5
https://github.com/stackrox/scanner/blob/master/.github/renovate.json5

Checklist (Definition of Done)

• Unit and integration tests added
• Added test description under Test manual
• Documentation added if necessary (i.e. changes to dev setup, test execution, ...)
• CI and all relevant tests are passing
• Add the ticket number to the PR title if available, i.e. ROX-12345: ...
• Discussed security and business related topics privately. Will move any security and business related topics that arise to private communication channel.
• Add secret to app-interface Vault or Secrets Manager if necessary
• RDS changes were e2e tested manually
• Check AWS limits are reasonable for changes provisioning new resources
• (If applicable) Changes to the dp-terraform Helm values have been reflected in the addon on integration environment

Test manual

podman run --rm -it --entrypoint=renovate-config-validator -v "$(pwd)":/mnt -w /mnt renovate/renovate --strict
 INFO: Validating .github/renovate.json5
 INFO: Config validated successfully

[openshift-ci]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: kovayur, kurlov

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