feat(cluster): Add support for controlPlaneEgressMode

[cxbrowne1207]

Description of changes:

EKS launched the controlPlaneEgressMode field (announcement), which allows customers to route control plane egress traffic through their VPC (CUSTOMER_ROUTED) instead of AWS managed networking (AWS_MANAGED).

This change adds support for configuring and updating controlPlaneEgressMode via the Cluster custom resource.

For this change, we updated the AWS SDK version to v1.87.0 and regenerated the controller with ack-generate v0.59.1.

Changes:

• apis/v1alpha1/types.go: ControlPlaneEgressMode field added to VPCConfigRequest and VPCConfigResponse (generated)
• pkg/resource/cluster/sdk.go: Map field in create, describe, and newVpcConfigRequest helper (generated)
• pkg/resource/cluster/hook.go: Add updateControlPlaneEgressMode handler in customUpdate with ResourceInUseException requeue
• config/crd/bases/ + helm/crds/: CRD schema updated with controlPlaneEgressMode field (generated)
• go.mod: Bump aws-sdk-go-v2/service/eks v1.80.0 → v1.87.0

Usage:

apiVersion: eks.services.k8s.aws/v1alpha1
kind: Cluster
metadata:
  name: my-cluster
spec:
  name: my-cluster
  roleARN: arn:aws:iam::123456789012:role/EKSClusterRole
  resourcesVPCConfig:
    subnetIDs:
      - subnet-abc123
      - subnet-def456
    controlPlaneEgressMode: CUSTOMER_ROUTED

Testing:

• go build ./...
• go test ./...
• E2E: Controller deployed locally, applied Cluster CR with controlPlaneEgressMode: CUSTOMER_ROUTED — cluster reached ACTIVE with correct mode, CR synced successfully.

By submitting this pull request, I confirm that my contribution is made under the terms of the Apache 2.0 license.

[ack-prow]

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[ack-prow]

Hi @cxbrowne1207. Thanks for your PR.

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