feat(helm): update cert-manager secret name to infomaniak-api-credentials

task

@@ -762,7 +762,7 @@ show-secrets() {
     
     elif [[ "$1" = 'cluster-issuer' ]]; then
         echo 'cert-manager/infomaniak-api-credentials:'
-        kubectl get secret -n cert-manager infomaniak-api-token -o jsonpath="{.data.access-token}" | base64 --decode && echo
+        kubectl get secret -n cert-manager infomaniak-api-credentials -o jsonpath="{.data.access-token}" | base64 --decode && echo
 
     elif [[ "$1" = 'forgejo-runner' ]]; then
         echo 'forgejo-runner/forgejoInstanceToken:'