cert-manager: 1.20.3 -> 1.21.0

Change-Id: I50161b8cfd621c1b07de87358fe8c14d1b14f711
diff --git a/charts/cert-manager/templates/podmonitor.yaml b/charts/cert-manager/templates/podmonitor.yaml
index 72d2dfe..f35f219 100644
--- a/charts/cert-manager/templates/podmonitor.yaml
+++ b/charts/cert-manager/templates/podmonitor.yaml
@@ -53,7 +53,7 @@
 {{- end }}
   podMetricsEndpoints:
     - port: http-metrics
-      path: {{ .Values.prometheus.podmonitor.path }}
+      path: /metrics
       interval: {{ .Values.prometheus.podmonitor.interval }}
       scrapeTimeout: {{ .Values.prometheus.podmonitor.scrapeTimeout }}
       honorLabels: {{ .Values.prometheus.podmonitor.honorLabels }}