Fix query completion timout in EventsAwaitingQueries

[dain]

Description

The timeout was lowered during testing and accidentally committed.

Documentation

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( ) Documentation PR is available with #prnumber.
( ) Documentation issue #issuenumber is filed, and can be handled later.

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[raunaqmorarka]

Test failure looks related

Error:  io.trino.execution.TestConnectorEventListener.testConnectorEventHandlerReceivingEvents  Time elapsed: 13.853 s  <<< FAILURE!
java.util.concurrent.TimeoutException: Query did not complete in 30.00s
	at io.trino.execution.EventsCollector$QueryEvents.waitForQueryCompletion(EventsCollector.java:142)
	at io.trino.execution.EventsAwaitingQueries.runQueryAndWaitForEvents(EventsAwaitingQueries.java:81)
	at io.trino.execution.EventsAwaitingQueries.runQueryAndWaitForEvents(EventsAwaitingQueries.java:49)
	at io.trino.execution.TestConnectorEventListener.testConnectorEventHandlerReceivingEvents(TestConnectorEventListener.java:73)

[dain]

There is still something going on with this test, but this is definitely better so I'll merge this.