[v2.7] fix cis operator permission

[vardhaman22]

Issue:

https://github.com/rancherlabs/rancher-security/issues/1285

Solution

• Add RBAC for rancher-cis-operator with create verb to access prometheusrules resource of monitoring.coreos.com api group.
• Bump rancher-cis to v4.3.0-rc2

Testing

Engineering Testing

Manual Testing

• Upgrade workflow v4.2.0 to v4.3.0-rc2 went successfully.
• fresh install v4.3.0-rc2 went successfully.

Automated Testing

N/A

QA Testing Considerations

Regressions Considerations

Backporting considerations

[github-actions]

Validation steps

• Ensure all container images have repository and tag on the same level to ensure that all container images are included in rancher-images.txt which are used by airgap customers.

  Ex:- 
    longhorn-controller:
      repository: rancher/hardened-sriov-cni
      tag: v2.6.3-build20230913
  

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