Support configuring Envoy Service loadBalancerSourceRanges/loadBalancerClass via ContourDeployment

[alexandrevilain]

Please describe the problem you have
When using Contour Gateway Provisioner with a GatewayClass that references a custom ContourDeployment, it currently does not expose any fields to configure the Envoy Service’s spec.loadBalancerSourceRanges or spec.loadBalancerClass.

Because of this, we cannot:

• Restrict source IPs at the load balancer level (loadBalancerSourceRanges)

• Select a specific load balancer implementation (loadBalancerClass)

It would be helpful if ContourDeployment allowed configuring these two fields so that the Envoy Service can be fully managed through the GatewayClass parameters.

[github-actions]

Hey @alexandrevilain! Thanks for opening your first issue. We appreciate your contribution and welcome you to our community! We are glad to have you here and to have your input on Contour. You can also join us on our mailing list and in our channel in the Kubernetes Slack Workspace

[github-actions]

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[MayorFaj]

/assign