add changelog

Author: jaylonmcshan19-x

.changelog/2770.txt

@@ -0,0 +1,8 @@
+```release-note:deprecation
+added deprecation notices to unversioned resources and data sources that already have versioned counterparts. 
+- `kubernetes_ingress` → use `kubernetes_ingress_v1`  
+- `kubernetes_certificate_signing_request` → use `kubernetes_certificate_signing_request_v1`  
+- `kubernetes_horizontal_pod_autoscaler` → use `kubernetes_horizontal_pod_autoscaler_v1` or `kubernetes_horizontal_pod_autoscaler_v2`  
+- `kubernetes_mutating_webhook_configuration` → use `kubernetes_mutating_webhook_configuration_v1`  
+- `kubernetes_pod_disruption_budget` → use `kubernetes_pod_disruption_budget_v1`  
+```