feat (jkube-kit/helm) : HelmService exposes helm install functionality

[rohanKanojia]

Description

Related to #2663

• Add new method prepareMockWebServerExpectationsForAggregatedDiscoveryEndpoints in KubernetesMockServerUtil for adding manual expectations for Kubernetes Aggregated Discovery endpoints
• Added a new install method in HelmService that would perform installation of a helm chart onto Kubernetes cluster using Helm java library
• Added configuration options in HelmConfig
  • releaseName
  • installDependencyUpdate
  • installWaitReady
  • disableOpenAPIValidation

Type of change

• [ ] Bug fix (non-breaking change which fixes an issue)
• [X] Feature (non-breaking change which adds functionality)
• [ ] Breaking change (fix or feature that would cause existing functionality to change
• [ ] Chore (non-breaking change which doesn't affect codebase; test, version modification, documentation, etc.)

Checklist

• [X] I have read the contributing guidelines
• [X] I signed-off my commit with a user that has signed the Eclipse Contributor Agreement
• [X] My code follows the style guidelines of this project
• [X] I Keep It Small and Simple: The smaller the PR is, the easier it is to review and have it merged
• [X] I use conventional commits in my commit messages
• [X] I have performed a self-review of my code
• [ ] I Added CHANGELOG entry
• [ ] I have updated the documentation accordingly
• [ ] No new bugs, code smells, etc. in SonarCloud report
• [X] I have added tests that prove my fix is effective or that my feature works
• [X] New and existing unit tests pass locally with my changes
• [X] I tested my code in Kubernetes
• [ ] I tested my code in OpenShift