[Minor Doc Fix] Correct the default value of `druid.server.http.gracefulShutdownTimeout` (#10661)
[Minor Doc Fix] Correct the default value of `druid.server.http.gracefulShutdownTimeout` (#10661)

* done

* done

* done

Co-authored-by: yuezhang <e237ae91ee6ee623585dd2c1faf2bee1a444e4b7@freewheel.tv>
mghosh4/druid,jon-wei/druid,mghosh4/druid,nishantmonu51/druid,mghosh4/druid,druid-io/druid,druid-io/druid,nishantmonu51/druid,nishantmonu51/druid,druid-io/druid,druid-io/druid,mghosh4/druid,jon-wei/druid,monetate/druid,monetate/druid,mghosh4/druid,nishantmonu51/druid,nishantmonu51/druid,jon-wei/druid,jon-wei/druid,nishantmonu51/druid,druid-io/druid,monetate/druid,nishantmonu51/druid,jon-wei/druid,monetate/druid,monetate/druid,mghosh4/druid,mghosh4/druid,monetate/druid,jon-wei/druid,jon-wei/druid,monetate/druid