Dropped cert-manager api-version v1alpha3, moved to v1

Update README

charts/topolvm/Chart.yaml

@@ -2,7 +2,7 @@ apiVersion: v1
 appVersion: 0.6.0
 description: Topolvm
 name: topolvm
-version: 1.0.1
+version: 1.1.0
 home: https://github.com/topolvm/topolvm
 sources:
   - https://github.com/topolvm/helm/tree/master/charts/topolvm

charts/topolvm/README.md

@@ -4,9 +4,10 @@
 ## Pre Requisites
 * Kubernetes 1.16+
 * `lvmd` installed on the underlying nodes, ref: https://github.com/topolvm/topolvm/blob/master/docs/lvmd.md
-* `cert-manager` installed. ref: https://cert-manager.io/
+* Configure `kube-scheduler` on the underlying nodes, ref: https://github.com/topolvm/topolvm/tree/master/deploy#configure-kube-scheduler
+* `cert-manager` version `v1.0.0+` installed. ref: https://cert-manager.io/
 * Requires at least `v3.2.3` version of helm to support
-* Namespace named `topolvm-system`:
+* Namespace named `topolvm-system` with the relevant labels:
 
     ```
     kubectl apply -f charts/topolvm/namespace.yaml

charts/topolvm/templates/certificates/certificates.yaml

@@ -1,5 +1,5 @@
 # Generate a CA Certificate used to sign certificates for the webhook
-apiVersion: cert-manager.io/v1alpha3
+apiVersion: cert-manager.io/v1
 kind: Certificate
 metadata:
   name: {{ template "topolvm.fullname" . }}-webhook-ca
@@ -20,15 +20,15 @@ spec:
 ---
 
 # Finally, generate a serving certificate for the webhook to use
-apiVersion: cert-manager.io/v1alpha3
+apiVersion: cert-manager.io/v1
 kind: Certificate
 metadata:
   name: {{ template "topolvm.fullname" . }}-mutatingwebhook
   labels:
   {{- include "topolvm.labels" . | nindent 4 }}
 spec:
   secretName: {{ template "topolvm.fullname" . }}-mutatingwebhook
-  duration: 8760h0m0s # 1y
+  duration: 87600h0m0s # 10y
   issuerRef:
     name: {{ template "topolvm.fullname" . }}-webhook-ca
   dnsNames: