Update acme.sh

revert only when there is no `--server` specified.

acme.sh

@@ -5271,21 +5271,23 @@ renew() {
   fi
 
   #revert from staging CAs back to production CAs
-  case "$Le_API" in
+  if [ -z "$ACME_DIRECTORY" ]; then
+    case "$Le_API" in
 
-  "$CA_LETSENCRYPT_V2_TEST")
-    _info "Switching back to $CA_LETSENCRYPT_V2"
-    Le_API="$CA_LETSENCRYPT_V2"
-    ;;
-  "$CA_BUYPASS_TEST")
-    _info "Switching back to $CA_BUYPASS"
-    Le_API="$CA_BUYPASS"
-    ;;
-  "$CA_GOOGLE_TEST")
-    _info "Switching back to $CA_GOOGLE"
-    Le_API="$CA_GOOGLE"
-    ;;
-  esac
+    "$CA_LETSENCRYPT_V2_TEST")
+      _info "Switching back to $CA_LETSENCRYPT_V2"
+      Le_API="$CA_LETSENCRYPT_V2"
+      ;;
+    "$CA_BUYPASS_TEST")
+      _info "Switching back to $CA_BUYPASS"
+      Le_API="$CA_BUYPASS"
+      ;;
+    "$CA_GOOGLE_TEST")
+      _info "Switching back to $CA_GOOGLE"
+      Le_API="$CA_GOOGLE"
+      ;;
+    esac
+  fi
 
   if [ "$Le_API" ]; then
     if [ "$Le_API" != "$ACME_DIRECTORY" ]; then