feat(eks): pass additional helm chart values to aws-load-balancer-controller

[shikha372]

Issue # (if applicable)

Closes #29707 .

Reason for this change

Currently passing in additional value to ALB helm chart is not supported.
Added support for value enableWaf and enableWafv2
List of supported values can be verified from https://github.com/kubernetes-sigs/aws-load-balancer-controller/blob/main/helm/aws-load-balancer-controller/values.yaml#L199

Description of changes

• Added new interface AlbControllerHelmChartOptions to support additional helm chart values
• Added support for boolean type value enableWaf and enableWafv2

Describe any new or updated permissions being added

NA

Description of how you validated changes

• Added Unit test
• Modified integration test

Checklist

• My code adheres to the CONTRIBUTING GUIDE and DESIGN GUIDELINES

---

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

[aws-cdk-automation]

(This review is outdated)

✅ Updated pull request passes all PRLinter validations. Dismissing previous PRLinter review.

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 84.00%. Comparing base (2fac64e) to head (6f10a7c).
Report is 1 commits behind head on main.

Additional details and impacted files

@@           Coverage Diff           @@
##             main   #34077   +/-   ##
=======================================
  Coverage   84.00%   84.00%           
=======================================
  Files         121      121           
  Lines        6985     6985           
  Branches     1179     1179           
=======================================
  Hits         5868     5868           
  Misses       1005     1005           
  Partials      112      112           

Flag	Coverage Δ
suite.unit	84.00% <ø> (ø)

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Components	Coverage Δ
packages/aws-cdk	∅ <ø> (∅)
packages/aws-cdk-lib/core	84.00% <ø> (ø)

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[aws-cdk-automation]

AWS CodeBuild CI Report

• CodeBuild project: AutoBuildv2Project1C6BFA3F-wQm2hXv2jqQv
• Commit ID: 6f10a7c
• Result: SUCCEEDED
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