update RHCOS 4.16 bootimage metadata to 416.94.202405132047-0

These changes will update the RHCOS 4.16 boot image metadata. Notable
changes in this update is:

OCPBUGS-33528:RHCOS root reprovisioning went from ~5 mins to ~11 mins in Azure

This change was generated using:

```
plume cosa2stream --target data/data/coreos/rhcos.json                \
    --distro rhcos --no-signatures --name 4.16-9.4                   \
    --url https://rhcos.mirror.openshift.com/art/storage/prod/streams \
    x86_64=416.94.202405132047-0                                      \
    aarch64=416.94.202405132047-0                                     \
    s390x=416.94.202405132047-0                                       \
    ppc64le=416.94.202405132047-0
```

Author: mike-nguyen