Add 2 new fields to EKS clusters

[tas50]

The support policy requires the latest SDK release.

cnquery> aws.eks.clusters{supportType authenticationMode}
aws.eks.clusters: [
  0: {
    supportType: "EXTENDED"
    authenticationMode: "API_AND_CONFIG_MAP"
  }
]

[github-actions]

Test Results

3 079 tests  ±0   3 078 ✅ ±0   1m 38s ⏱️ +8s
  363 suites ±0       1 💤 ±0 
   27 files   ±0       0 ❌ ±0 

Results for commit fc0a642. ± Comparison against base commit 40b79e1.