[Enhancement]: BigQuery Emulator doesn't work with streaming API

[joerg-pfruender]

Module

GCloud

Proposal

Problem:
Spring cloud uses the streaming API. The mock of the docker image supports this, but it needs to know, on which port it runs.

Idea:
The container should start on a port, that is free on the host, so that the Streaming API works.

Details in:

https://joerg-pfruender.github.io/software/testing/2023/11/01/spring-bigquery-localstack.html

[eddumelendez]

There is no need to raise a PR and issue at the same time.

[eddumelendez]

See goccy/bigquery-emulator#160 (comment)