[enhancement] : use only major version for rhel-specific driver images

[rahulait]

Description

Fixes: #2471

Checklist

• No secrets, sensitive information, or unrelated changes
• Lint checks passing (make lint)
• Generated assets in-sync (make validate-generated-assets)
• Go mod artifacts in-sync (make validate-modules)
• Test cases are added for new code paths

Testing

Brought up a cluster using following values.yaml file:

cat values.yaml
operator:
  repository: ghcr.io/nvidia
  image: gpu-operator
  version: ddf7c20b
  imagePullPolicy: Always
validator:
  repository: ghcr.io/nvidia
  image: gpu-operator
  version: ddf7c20b
  imagePullPolicy: Always
driver:
  enabled: true
  version: "595.71.05"

Installed gpu-operator using it:

helm install gpu-operator -n gpu-operator --create-namespace nvidia/gpu-operator -f values.yaml

Once installed, verified that all operands came up fine

NAME                                                          READY   STATUS      RESTARTS   AGE
gpu-feature-discovery-hwsvg                                   1/1     Running     0          2m18s
gpu-operator-54955ddd6-5vxwt                                  1/1     Running     0          2m48s
gpu-operator-node-feature-discovery-gc-8fb8d5d8d-5zlrz        1/1     Running     0          2m48s
gpu-operator-node-feature-discovery-master-5bbc6d887b-tf6pl   1/1     Running     0          2m48s
gpu-operator-node-feature-discovery-worker-5sjjm              1/1     Running     0          2m48s
nvidia-container-toolkit-daemonset-72ncv                      1/1     Running     0          2m18s
nvidia-cuda-validator-6q8gv                                   0/1     Completed   0          71s
nvidia-dcgm-exporter-whqpl                                    1/1     Running     0          2m17s
nvidia-device-plugin-daemonset-ddfvj                          1/1     Running     0          2m17s
nvidia-driver-daemonset-52k6r                                 1/1     Running     0          2m24s
nvidia-mig-manager-w67wn                                      1/1     Running     0          2m17s
nvidia-operator-validator-2zpbq                               1/1     Running     0          2m17s

Verified driver container is using generic image:

k get daemonset/nvidia-driver-daemonset -n gpu-operator -o yaml | grep image | grep rhel
        image: nvcr.io/nvidia/driver:595.71.05-rhel9

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[rahulait]

/ok to test 53e32d6

[rahulait]

This still won't work for GDS/GDRCopy images. We'll need to have generic tags for them as well 😢

[tariq1890]

Please address the reduced unit test coverage as well.

coveralls check