Contour Operator v1.17.0

# Contour Operator v1.17.0 We are delighted to present version 1.16.0 of Contour Operator, which provides a method for packaging, deploying, and managing [Contour](https://projectcontour.io/). A big thank you to everyone who contributed to the release. # API Changes ## Additions to the Contour CRD ### Loadbalancer Service configuration The Operator now supports configuring the generated Envoy service to have a specific external IP address on AWS, Azure, and GCP. So now, when your cloud provider creates a load balancer for you, you can request a specific address using the Contour object. Thanks to @BostjanBozic for contributing this great change! PR details: [#336](https://github.com/projectcontour/contour-operator/pull/336) : Optional loadBalancerIP input in Contour We also had an example added of using the already-existing AWS internal ELB support. Thanks @erismaster! [#390](https://github.com/projectcontour/contour-operator/pull/390) : Add example contour deployment with internal-elb ## Specify nodes to run Contour and Envoy on The Contour object now has a `nodePlacement` stanza which allows specifying the placement of Contour and Envoy pods onto nodes, specified either with a Node label selector, or Tolerations (which select based on node taints). Thanks to @amdonov for suggesting and preparing this change. PR details: [#373](https://github.com/projectcontour/contour-operator/pull/373) : support running contour and envoy on specific nodes ## General Improvements ### Validation for IngressClass Contour Operator will now validate that a referenced IngressClass object exists. [#388](https://github.com/projectcontour/contour-operator/pull/388) : Adds IngressClassName Validation ### CI and infrastructure changes @vchrisb helped to update the referenced kube-rbac-proxy version so that the Operator installation can work correctly on arm64 platforms. Thanks @vchrisb. [#376](https://github.com/projectcontour/contour-operator/pull/376) : update kube-rbac-proxy image version to support arm64 # Other Changes [#385](https://github.com/projectcontour/contour-operator/pull/385) : CI: add uncommitted codegen check,skriss:ci-codegen-check [#394](https://github.com/projectcontour/contour-operator/pull/394) : Bump golang to 1.16.5,sunjayBhatia:bump-golang [#387](https://github.com/projectcontour/contour-operator/pull/387) : Updates Contrib Guide for Kubebuilder Changes,danehans:issue_286 [#374](https://github.com/projectcontour/contour-operator/pull/374) : Bump kind cli and images,sunjayBhatia:bump-kind-images [#372](https://github.com/projectcontour/contour-operator/pull/372) : internal/objects/service: refactor test,skriss:svc-test-refactor # Are you a Contour Operator user? We would love to know! If you're using the Contour Operator (and Contour) and want to add your organization to our adopters list, please visit this [page](https://github.com/projectcontour/contour/blob/master/ADOPTERS.md). If you prefer to keep your organization name anonymous but still give us feedback into your usage and scenarios for Contour and the Operator, please post on this [GitHub thread](https://github.com/projectcontour/contour/issues/1269).