message: fix deprecated warnings
diff: @@ -902,8 +902,8 @@ void WiFiManager::handleInfo() {
  // subject to rollover!
  page += F("<dt>Uptime</dt><dd>");
  - page += (String)(system_get_time() / 1000000 / 60) + " mins ";
  - page += (String)((system_get_time() / 1000000)%60) + " secs";
  + page += (String)(milis() / 1000 / 60) + " mins ";
  + page += (String)((milis() / 1000) % 60) + " secs";
  page += F("<dt>Chip ID</dt><dd>");
  page += WIFI_getChipId();
  @@ -1021,8 +1021,8 @@ void WiFiManager::handleInfo() {
  // subject to rollover!
  page += F("<dt>Uptime</dt><dd>");
  - page += (String)(system_get_time() / 1000000 / 60) + " mins "; // @todo esp32 deprecated
  - page += (String)((system_get_time() / 1000000)%60) + " secs";
  + page += (String)(milis() / 1000 / 60) + " mins ";
  + page += (String)((milis() / 1000) % 60) + " secs";
  page += F("<dt>Chip ID</dt><dd>");
  page += WIFI_getChipId();
  