Do not spam sqlancer build log

[Felixoid]

Changelog category (leave one):

• Not for changelog (changelog entry is not required)

Changelog entry (a user-readable short description of the changes that goes to CHANGELOG.md):

Reduce the docker build log by disabling maven downloading log.

[robot-clickhouse-ci-1]

This is an automated comment for commit 5d4a3ac with description of existing statuses. It's updated for the latest CI running
The full report is available here
The overall status of the commit is 🟡 pending

Check name	Description	Status
CI running	A meta-check that indicates the running CI. Normally, it's in success or pending state. The failed status indicates some problems with the PR	🟡 pending
Mergeable Check	Checks if all other necessary checks are successful	🟢 success
Push to Dockerhub	The check for building and pushing the CI related docker images to docker hub	🟢 success

[Felixoid]

Much better. Compare the old report to the new one