Fix docker hub perf tests

[franvila]

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• Bugfix
• Enhancement / new feature
• Refactoring
• Documentation

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Additional Context

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Checklist

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• PR raised from a fork of this repository and made from a branch rather than main.
• Write tests
• Update documentation
• Make sure all unit/integration tests pass
• Make sure all Sonarcloud warnings are addressed or are justifiably ignored.
• If applicable to the change, trigger the system test suite. Make sure tests pass.
• If applicable to the change, trigger the performance test suite. Ensure that any degradations to performance numbers are understood and justified.
• Ensure the PR references relevant issue(s) so they are closed on merging.
• For user facing changes, update CHANGELOG.md (remember to include changes affecting the API of the test artefacts too).

NOTE: You must be a member of @kroxylicious/developers to trigger the system test and performance test suites. If you are not part of this group, comment on the PR requesting a trigger, tagging @kroxylicious/developers.