Inference throughput tests: refactor goldens to be in list format

[mathemakitten]

What does this PR do ?

Golden values for inference throughput tests are now lists, to match with the sampled values. For backward compatibility, existing goldens had their values duplicated into a list of 2 elements (so they do not fail when the warmup iteration is thrown out). Future tests should commit the series of golden values and not just the median.

Contribution process

flowchart LR
    A[Pre-checks] --> B[PR Tests]
    subgraph Code Review/Approval
        C1[Expert Review] --> C2[Final Review]
    end
    B --> C1
    C2 --> D[Merge]

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Pre-checks

• I want this PR in a versioned release and have added the appropriate Milestone (e.g., Core 0.8)
• I have added relevant unit tests
• I have added relevant functional tests
• I have added proper typing to my code Typing guidelines
• I have added relevant documentation
• I have run the autoformatter.sh on my PR

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For MRs into `dev` branch

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[ko3n1g]

Thank you!! Could you test this internally?

[mathemakitten]

Thank you!! Could you test this internally?

Pipeline passed at !4359.