@Override
  protected void register(ExtensionContext ctxt) {
    ctxt.insertProvider(new LocalDateReaderWriterProvider());
  }
Adapted from https://www.andersaaberg.dk/2020/enable-support-for-java-time-with-jackson-jr/ This
adds Java Time support to Jackson JR
jackson-jr/src/test/java/feign/jackson/jr/JavaLocalDateExtension.java