Update README.md

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Update GitHub Actions workflow ncVoter5m for performance tests

Update perfTest-febrl120K.yml

Update token

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Update GitHub Actions workflow to use checkout@v4

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Fix indentation in perfTest-febrl120K.yml

Comment out build and script execution in workflow

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Update perfTest-febrl120K.yml

Optimize performance test workflow script

Refactor perfTest workflow for clarity and efficiency

Update perfTest-febrl120K.yml