another style fix, after the merge from main

Author: trentm

examples/bunyan/app.js

@@ -28,7 +28,7 @@ const log = bunyan.createLogger({ name: 'myapp', level: 'debug' });
 log.debug({ foo: 'bar' }, 'hi');
 
 const tracer = otel.trace.getTracer('example');
-tracer.startActiveSpan('manual-span', (span) => {
+tracer.startActiveSpan('manual-span', span => {
   log.info('this record will have trace_id et al fields for the current span');
   span.end();
 });