fix: Reintroduce mutatingwebhook.yaml

It looks like when the webhook ca stuff was removed the
mutatingwebhook.yaml was removed as well.

This commit simply adds the corresponding aply and delete for that
manifest.

Makefile

@@ -78,12 +78,14 @@ deploy-config: prep-config
 	kubectl apply -f deploy/auth.yaml
 	kubectl apply -f deploy/deployment.yaml
 	kubectl apply -f deploy/service.yaml
+	kubectl apply -f deploy/mutatingwebhook.yaml
 
 delete-config:
 	@echo 'Tearing down mutating controller and associated resources...'
 	kubectl delete -f deploy/service.yaml
 	kubectl delete -f deploy/deployment.yaml
 	kubectl delete -f deploy/auth.yaml
+	kubectl delete -f deploy/mutatingwebhook.yaml
 	kubectl delete secret pod-identity-webhook-cert
 
 clean::