Update connection.ts - operationTimeoutInSeconds is reset to default

[bogdanbrudiu]

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Description

Brief description of the changes made in the PR. This helps in making better changelog operationTimeoutInSeconds - CreatedRheaConnectionOptions is not taken into consideration and the default 60 is used

rhea-promise/lib/connection.ts line 256 this.options.operationTimeoutInSeconds = options?.operationTimeoutInSeconds ?? defaultOperationTimeoutInSeconds;

Reference to any github issues

• https://github.com/amqp/rhea-promise/issues/111

[jeremymeng]

@bogdanbrudiu thanks for the PR. could you add a unit case that covers issue?