test: add ClickHouse integration testing

[Ian2012]

This PR implements ClickHouse integration testing by installing and configuring Aspects with a ClickHouse cluster installed with the ClickHouse Operator helm chart.

Depends on #90 #109

[openedx-webhooks]

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[gabor-boros]

@Ian2012 shouldn't this be coupled with PR #90 as it is testing that feature?

[Ian2012]

@Ian2012 shouldn't this be coupled with PR #90 as it is testing that feature?

I just wanted to split the PRs at least till #109 is merged