feat(drivers): Add AMD GPU drivers

This patch enables AMD GPU drivers for usage with pods in the cluster.

infrastructure/drivers/amd-gpu.yaml

+---
+apiVersion: source.toolkit.fluxcd.io/v1beta1
+kind: HelmRepository
+metadata:
+  name: amd-gpu
+  namespace: drivers-system
+spec:
+  interval: 30m
+  url: https://radeonopencompute.github.io/k8s-device-plugin/
+---
+apiVersion: helm.toolkit.fluxcd.io/v2beta1
+kind: HelmRelease
+metadata:
+  name: amd-gpu
+  namespace: drivers-system
+spec:
+  releaseName: amd-gpu
+  chart:
+    spec:
+      chart: amd-gpu
+      sourceRef:
+        kind: HelmRepository
+        name: amd-gpu
+        namespace: drivers-system
+      version: 0.2.0
+  interval: 5m
+  values:
+    namespace: drivers-system

infrastructure/drivers/kustomization.yaml

+apiVersion: kustomize.config.k8s.io/v1beta1
+kind: Kustomization
+namespace: drivers-system
+resources:
+  - namespace.yaml
+  - amd-gpu.yaml
+  - ../../shared/networkpolicies/deny-by-default.yaml

infrastructure/drivers/namespace.yaml

+apiVersion: v1
+kind: Namespace
+metadata:
+  name: drivers-system
+  labels:
+    name: drivers-system
+    kyverno.shivering-isles.com/class: "system"

infrastructure/kustomization.yaml

@@ -3,6 +3,7 @@ kind: Kustomization
 resources:
   - kube-system
   - node-features
+  - drivers
   - system-upgrades
   - firewall
   - metallb