allow provider listener ports to be configurable

[ravilr]

Description of your changes

Part of crossplane/crossplane#5520

As outlined in the above issue, when running Crossplane in certain environments (like EKS using Calico CNI/Cilium in overlay network), where the control plane resides outside the workload network it is necessary to run webhooks in the host network. This calls for the need to make the listening ports(webhook and metrics) of provider controllers configurable to avoid port conflicts among different provider families pods.

I have:

• Read and followed Crossplane's contribution process.
• Run make reviewable to ensure this PR is ready for review.
• [ ] Added backport release-x.y labels to auto-backport this PR if necessary.

How has this code been tested

• Deployed these changes along with the changes from feat/configurable ports crossplane/crossplane#5540, which allows customizing ports in DeploymentRuntimeConfig, and verified that a provider launched with these new flags with custom ports and corresponding DeploymentRuntimeConfig, had conversion webhook communications working without errors.

[jeanduplessis]

I'm marking this PR as "blocked" while we wait for upstream resolution of crossplane/crossplane#5540

[github-actions]

This provider repo does not have enough maintainers to address every pull request. Since there has been no activity in the last 90 days it is now marked as stale. It will be closed in 14 days if no further activity occurs. Leaving a comment starting with /fresh will mark this issue as not stale.

[ravilr]

/fresh

[ravilr]

Hi @jeanduplessis @turkenf the crossplane core changes to support configurable ports for the provider runtime is now merged. Can you please take a look at this.

[jeanduplessis]

@ravilr thanks for the ping, we'll keep this one in mind when we prepare for the next minor release of the provider.
We're focusing on doing some CVE patch release next and will look to do a minor release later this month with all the latest enhancements.