fix(deps): update dependency quantstats to v0.0.70

[renovate]

This PR contains the following updates:

Package	Change	Age	Confidence
quantstats	==0.0.69 -> ==0.0.70

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Release Notes

ranaroussi/quantstats (quantstats)

v0.0.70

Compare Source

• Fixed chart naming inconsistency: renamed "Daily Active Returns" to "Daily Active Returns (Cumulative Sum)" and "Daily Returns" to "Daily Returns (Cumulative Sum)" to accurately reflect that charts show cumulative values (fixes issue #​454)
• Fixed CAGR calculation bug where years were incorrectly calculated using calendar days instead of trading periods, causing drastically reduced CAGR values (fixes issue #​458)
• Fixed inconsistent EOY returns for benchmarks by preserving original benchmark data for aggregation while aligning to strategy index for other calculations (fixes issue #​457)

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