chore(test): show bats version and test timing

[lemeurherve]

This PR logs bats version, and adds --timing option when executing make test locally. (keeping CI output constant across builds)

Testing done

$ make test-debian_jdk21

While in progress:

Finished:

Submitter checklist

• Make sure you are opening from a topic/feature/bugfix branch (right side) and not your main branch!
• Ensure that the pull request title represents the desired changelog entry
• Please describe what you did
• Link to relevant issues in GitHub or Jira
• Link to relevant pull requests, esp. upstream and downstream changes
• Ensure you have provided tests that demonstrate the feature works or the issue is fixed