feat(stats/incr): add nanminmax package to handle NaN values

[abhishekblue]

Resolves #5579

Description

What is the purpose of this pull request?

This pull request:

• introduces the @stdlib/stats/incr/nanminmax package, which incrementally computes minimum and maximum, ignoring NaN values.

Related Issues

Does this pull request have any related issues?

This pull request:

• resolves [RFC]: add stats/incr/nanminmax #5579

Questions

Any questions for reviewers of this pull request?

No.

Other

Any other information relevant to this pull request? This may include screenshots, references, and/or implementation notes.

No.

Checklist

Please ensure the following tasks are completed before submitting this pull request.

• Read, understood, and followed the contributing guidelines.

---

@stdlib-js/reviewers

[stdlib-bot]

Coverage Report

Package	Statements	Branches	Functions	Lines
stats/incr/nanmin	$\color{green}134/134$ $\color{green}+100.00\%$	$\color{green}7/7$ $\color{green}+100.00\%$	$\color{green}2/2$ $\color{green}+100.00\%$	$\color{green}134/134$ $\color{green}+100.00\%$
stats/incr/nanminmax	$\color{green}147/147$ $\color{green}+100.00\%$	$\color{green}10/10$ $\color{green}+100.00\%$	$\color{green}2/2$ $\color{green}+100.00\%$	$\color{green}147/147$ $\color{green}+100.00\%$

The above coverage report was generated for the changes in this PR.

[kgryte]

@abhishekblue You've added both nanmin and nanminmax in the same PR. Please split into two separate PRs. You can either remove one or the other from this PR, or close this PR and open fresh new PRs. But as is, this PR cannot move forward.