Verify passed with latest 4.12.0-0.nightly.

$ oc get clusterversion
NAME      VERSION                              AVAILABLE   PROGRESSING   SINCE   STATUS
version   4.12.0-0.nightly-2022-07-19-212853   True        False         16m     Cluster version is 4.12.0-0.nightly-2022-07-19-212853

$ oc -n openshift-machine-api get machinesets
NAME                                 DESIRED   CURRENT   READY   AVAILABLE   AGE
ci-ln-nmnvk4t-72292-frtb6-worker-a   1         1         1       1           42m
ci-ln-nmnvk4t-72292-frtb6-worker-b   1         1         1       1           42m
ci-ln-nmnvk4t-72292-frtb6-worker-c   1         1         1       1           42m
ci-ln-nmnvk4t-72292-frtb6-worker-f   0         0                             42m

$ oc -n openshift-machine-api get machinesets/ci-ln-nmnvk4t-72292-frtb6-worker-a -o yaml | grep image
            image: projects/rhcos-cloud/global/images/rhcos-412-86-202207142104-0-gcp-x86-64
            
matches snippet from boot image bump in https://github.com/openshift/installer/pull/6219

        "gcp": {
          "release": "412.86.202207142104-0",
          "project": "rhcos-cloud",
          "name": "rhcos-412-86-202207142104-0-gcp-x86-64"
        }

Since the problem described in this bug report should be
resolved in a recent advisory, it has been closed with a
resolution of ERRATA.

For information on the advisory (Moderate: OpenShift Container Platform 4.12.0 bug fix and security update), and where to find the updated
files, follow the link below.

If the solution does not work for you, open a new bug report.

https://access.redhat.com/errata/RHSA-2022:7399