[renovate]Enable bumps on 18.0-fr1

[ratailor]

This enables renovate run on 18.0-fr1 branch. Please note that we have a special config for 18.0-fr1 enabled in #509

Related: OSPRH-8355

[openshift-ci]

[APPROVALNOTIFIER] This PR is NOT APPROVED

This pull-request has been approved by: ratailor
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[openshift-ci]

Hi @ratailor. Thanks for your PR.

I'm waiting for a openstack-k8s-operators member to verify that this patch is reasonable to test. If it is, they should reply with /ok-to-test on its own line. Until that is done, I will not automatically test new commits in this PR, but the usual testing commands by org members will still work. Regular contributors should join the org to skip this step.

Once the patch is verified, the new status will be reflected by the ok-to-test label.

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