ingress-nginx-app release v2.7.0

Added

• Allow disabling external-dns annotations.
• Augment monitoring annotations to have a stable name for monitoring. (#263)
• Update aws-load-balancer annotations for internal cluster use.
• Add required external-dns annotation to internal controller service.
• Add documentation for service configuration.

Changed

• Update controller container image to v1.1.1. (#264)
• Swap kube-webhook-certgen container image for ingress-nginx image to ensure compatibility with kubernetes >= 1.22 (#265)