reduce probability of quadratic behavior in min/max rolling

[ritchie46]

No description provided.

[codecov-commenter]

Codecov Report

Merging #3516 (ffcd5d7) into master (4aef113) will decrease coverage by 0.46%.
The diff coverage is 68.01%.

❗ Current head ffcd5d7 differs from pull request most recent head 6b02645. Consider uploading reports for the commit 6b02645 to get more accurate results

@@            Coverage Diff             @@
##           master    #3516      +/-   ##
==========================================
- Coverage   77.73%   77.27%   -0.47%     
==========================================
  Files         411      425      +14     
  Lines       70368    70621     +253     
==========================================
- Hits        54704    54569     -135     
- Misses      15664    16052     +388     

Impacted Files	Coverage Δ
.../polars-arrow/src/kernels/rolling/no_nulls/mean.rs	50.94% <ø> (ø)
...ars-arrow/src/kernels/rolling/no_nulls/quantile.rs	68.69% <0.00%> (-26.63%)	⬇️
...ars/polars-arrow/src/kernels/rolling/nulls/mean.rs	84.00% <ø> (-14.00%)	⬇️
polars/polars-core/src/chunked_array/ops/mod.rs	19.87% <0.00%> (ø)
...olars-core/src/chunked_array/ops/rolling_window.rs	86.39% <0.00%> (-8.93%)	⬇️
polars/polars-core/src/datatypes.rs	70.34% <ø> (ø)
polars/polars-core/src/series/mod.rs	63.32% <ø> (+5.36%)	⬆️
polars/polars-core/src/series/series_trait.rs	23.24% <0.00%> (+2.44%)	⬆️
polars/polars-time/src/chunkedarray/mod.rs	0.00% <ø> (ø)
polars/polars-time/src/lib.rs	100.00% <ø> (ø)
... and 70 more

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