add nodeSelector, tolerations and nodeAffinity template values

[vigneshrajsb]

What

• Adds nodeSelector nodeAffinity tolerations passthrough in deployment templates to schedule the pods in specific node groups

[Copilot]

Pull Request Overview

This PR adds support for Kubernetes node scheduling configuration options (nodeSelector, nodeAffinity, and tolerations) to the g2krepeater and g2krelay Helm chart templates, enabling users to control pod placement on specific node groups.

• Adds node scheduling template passthrough for both g2krepeater and g2krelay deployments
• Includes comprehensive test coverage for all scheduling configurations and edge cases
• Maintains backward compatibility with existing configurations

Reviewed Changes

Copilot reviewed 4 out of 4 changed files in this pull request and generated no comments.

File	Description
helm/chart/templates/g2krepeater-deployment.yaml	Adds nodeSelector, affinity, and tolerations template blocks to deployment spec
helm/chart/templates/g2krelay-deployment.yaml	Adds nodeSelector, affinity, and tolerations template blocks to deployment spec
helm/chart/tests/g2krepeater-deployment_test.yaml	Comprehensive test coverage for all scheduling configurations including multiple instances
helm/chart/tests/g2krelay-deployment_test.yaml	Test coverage for node scheduling configurations in g2krelay deployment

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