Support for surge upgrade

[github-actions[bot]]

Terraform Security Scan Failed

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```hcl Result #1 MEDIUM Surge upgrades are disabled in your Kubernetes cluster. Please enable this feature. ──────────────────────────────────────────────────────────────────────────────── cluster.tf:24 ──────────────────────────────────────────────────────────────────────────────── 17 resource "digitalocean_kubernetes_cluster" "k8s" { .. 24 [ surge_upgrade = var.surge_upgrade (false) .. 42 } ──────────────────────────────────────────────────────────────────────────────── ID digitalocean-compute-surge-upgrades-not-enabled Impact Upgrades may influence availability of your Kubernetes cluster Resolution Enable surge upgrades in your Kubernetes cluster More Information - https://aquasecurity.github.io/tfsec/latest/checks/digitalocean/compute/surge-upgrades-not-enabled/ - https://registry.terraform.io/providers/digitalocean/digitalocean/latest/docs/resources/kubernetes_cluster#surge_upgrade ──────────────────────────────────────────────────────────────────────────────── timings ────────────────────────────────────────── disk i/o 89.201µs parsing 1.208203ms adaptation 89.5µs checks 10.366527ms total 11.753431ms counts ────────────────────────────────────────── modules downloaded 0 modules processed 1 blocks processed 22 files read 6 results ────────────────────────────────────────── passed 3 ignored 0 critical 0 high 0 medium 1 low 0 3 passed, 1 potential problem(s) detected. ```

[github-actions[bot]]

Terraform Security Scan Failed

Show Output

```hcl Result #1 MEDIUM Surge upgrades are disabled in your Kubernetes cluster. Please enable this feature. ──────────────────────────────────────────────────────────────────────────────── cluster.tf:24 ──────────────────────────────────────────────────────────────────────────────── 17 resource "digitalocean_kubernetes_cluster" "k8s" { .. 24 [ surge_upgrade = var.surge_upgrade (false) .. 42 } ──────────────────────────────────────────────────────────────────────────────── ID digitalocean-compute-surge-upgrades-not-enabled Impact Upgrades may influence availability of your Kubernetes cluster Resolution Enable surge upgrades in your Kubernetes cluster More Information - https://aquasecurity.github.io/tfsec/latest/checks/digitalocean/compute/surge-upgrades-not-enabled/ - https://registry.terraform.io/providers/digitalocean/digitalocean/latest/docs/resources/kubernetes_cluster#surge_upgrade ──────────────────────────────────────────────────────────────────────────────── timings ────────────────────────────────────────── disk i/o 127.205µs parsing 880.83µs adaptation 97.404µs checks 15.88864ms total 16.994079ms counts ────────────────────────────────────────── modules downloaded 0 modules processed 1 blocks processed 22 files read 6 results ────────────────────────────────────────── passed 3 ignored 0 critical 0 high 0 medium 1 low 0 3 passed, 1 potential problem(s) detected. ```