ingress-nginx-app release v3.7.0

Added

• Ingress Class: Make annotations configurable. (#639)
• Admission Webhook: Make patch job RBAC configurable. (#639)
• Default Backend: Add topology spread constraints. (#639)

Changed

• Chart: Require Kubernetes version >= 1.21.0-0. (#639)
• Config Map: Support templates in values. (#639)
• Service: Fix app protocol semver comparison. (#639)
• Admission Webhook: Update patch job image to v1.4.1. (#639)
• Default Backend: Reorder HPA. (#639)