Add sum oracle to the fuzzer and reject samples that have order dependent overflow behaviour

[robert3005]

Fuzzer sum oracle does chunk by chunk aggregation instead of canonicalising and
running aggregate on single chunk

[codspeed]

Merging this PR will not alter performance

⚠️ Unknown Walltime execution environment detected

Using the Walltime instrument on standard Hosted Runners will lead to inconsistent data.

For the most accurate results, we recommend using CodSpeed Macro Runners: bare-metal machines fine-tuned for performance measurement consistency.

✅ 2062 untouched benchmarks
⏩ 503 skipped benchmarks¹

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_{Comparing rk/sumfuzzoracle (eff1c5b) with develop (32fa7aa)}

Footnotes

1. 503 benchmarks were skipped, so the baseline results were used instead. If they were deleted from the codebase, click here and archive them to remove them from the performance reports. ↩

[github-actions]

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