[18.0.0-proposed] Fix rabbitmq pod anti-affinity label selector

[openshift-cherrypick-robot]

This is an automated cherry-pick of #1091

/assign olliewalsh

[openshift-ci[bot]]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: olliewalsh, openshift-cherrypick-robot

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Needs approval from an approver in each of these files: - ~~[OWNERS](https://github.com/openstack-k8s-operators/openstack-operator/blob/18.0.0-proposed/OWNERS)~~ [olliewalsh] Approvers can indicate their approval by writing `/approve` in a comment Approvers can cancel approval by writing `/approve cancel` in a comment

[softwarefactory-project-zuul[bot]]

Build failed (check pipeline). Post recheck (without leading slash) to rerun all jobs. Make sure the failure cause has been resolved before you rerun jobs.

https://softwarefactory-project.io/zuul/t/rdoproject.org/buildset/90f7febf545743c09d02a2e27aa1fcc7

:heavy_check_mark: openstack-k8s-operators-content-provider SUCCESS in 2h 06m 15s :heavy_check_mark: podified-multinode-edpm-deployment-crc SUCCESS in 1h 15m 30s :heavy_check_mark: cifmw-crc-podified-edpm-baremetal SUCCESS in 1h 21m 32s :x: openstack-operator-tempest-multinode FAILURE in 1h 52m 13s

[stuggi]

Host key verification failed, which is not related to this change

Sep 23 00:15:09 np0004905568 nova_compute[133364]: 2024-09-23 04:15:09.064 2 ERROR oslo_messaging.rpc.server Command: scp -C -r compute-0.ctlplane.example.com:/var/lib/nova/instances/2741e750-dac9-488e-aaf9-f4fe64
732faa/disk.config /var/lib/nova/instances/2741e750-dac9-488e-aaf9-f4fe64732faa
Sep 23 00:15:09 np0004905568 nova_compute[133364]: 2024-09-23 04:15:09.064 2 ERROR oslo_messaging.rpc.server Exit code: 255
Sep 23 00:15:09 np0004905568 nova_compute[133364]: 2024-09-23 04:15:09.064 2 ERROR oslo_messaging.rpc.server Stdout: ''
Sep 23 00:15:09 np0004905568 nova_compute[133364]: 2024-09-23 04:15:09.064 2 ERROR oslo_messaging.rpc.server Stderr: 'Host key verification failed.\r\nConnection closed\r\n'
Sep 23 00:15:09 np0004905568 nova_compute[133364]: 2024-09-23 04:15:09.064 2 ERROR oslo_messaging.rpc.server #033[00m

Its currently seen in multiple PRs.

[stuggi]

/override rdoproject.org/github-check

[openshift-ci[bot]]

@stuggi: Overrode contexts on behalf of stuggi: rdoproject.org/github-check

In response to [this](https://github.com/openstack-k8s-operators/openstack-operator/pull/1097#issuecomment-2367389009): >/override rdoproject.org/github-check Instructions for interacting with me using PR comments are available [here](https://git.k8s.io/community/contributors/guide/pull-requests.md). If you have questions or suggestions related to my behavior, please file an issue against the [kubernetes-sigs/prow](https://github.com/kubernetes-sigs/prow/issues/new?title=Prow%20issue:) repository.