added regression forest benchmark

[SamuelCarliles3]

Reference Issues/PRs

What does this implement/fix? Explain your changes.

Adds an asv benchmark for regression forests

Any other comments?

[github-actions]

❌ Linting issues

This PR is introducing linting issues. Here's a summary of the issues. Note that you can avoid having linting issues by enabling pre-commit hooks. Instructions to enable them can be found here.

You can see the details of the linting issues under the lint job here

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cython-lint

cython-lint detected issues. Please fix them locally and push the changes. Here you can see the detected issues. Note that the installed cython-lint version is cython-lint=0.16.2.

/home/runner/work/scikit-learn/scikit-learn/sklearn/tree/_splitter.pyx:22:26: 'uintptr_t' imported but unused
/home/runner/work/scikit-learn/scikit-learn/sklearn/tree/_splitter.pyx:23:33: 'free' imported but unused
/home/runner/work/scikit-learn/scikit-learn/sklearn/tree/_splitter.pyx:76:24: E261 at least two spaces before inline comment
/home/runner/work/scikit-learn/scikit-learn/sklearn/tree/_splitter.pyx:99:24: E261 at least two spaces before inline comment
/home/runner/work/scikit-learn/scikit-learn/sklearn/tree/_splitter.pyx:120:1: W293 blank line contains whitespace
/home/runner/work/scikit-learn/scikit-learn/sklearn/tree/_splitter.pyx:148:1: W293 blank line contains whitespace
/home/runner/work/scikit-learn/scikit-learn/sklearn/tree/_splitter.pyx:152:1: W293 blank line contains whitespace
/home/runner/work/scikit-learn/scikit-learn/sklearn/tree/_splitter.pyx:176:1: W293 blank line contains whitespace
/home/runner/work/scikit-learn/scikit-learn/sklearn/tree/_splitter.pyx:180:1: W293 blank line contains whitespace
/home/runner/work/scikit-learn/scikit-learn/sklearn/tree/_splitter.pyx:369:1: W293 blank line contains whitespace
/home/runner/work/scikit-learn/scikit-learn/sklearn/tree/_splitter.pyx:375:5: E303 too many blank lines (2)
/home/runner/work/scikit-learn/scikit-learn/sklearn/tree/_splitter.pyx:796:1: W293 blank line contains whitespace
/home/runner/work/scikit-learn/scikit-learn/sklearn/tree/_splitter.pyx:802:1: W293 blank line contains whitespace
/home/runner/work/scikit-learn/scikit-learn/sklearn/tree/_splitter.pyx:825:1: W293 blank line contains whitespace
/home/runner/work/scikit-learn/scikit-learn/sklearn/tree/_splitter.pyx:828:1: W293 blank line contains whitespace
/home/runner/work/scikit-learn/scikit-learn/sklearn/tree/_splitter.pyx:832:1: W293 blank line contains whitespace

_{Generated for commit: cf285c1. Link to the linter CI: here}

[adam2392]

Is this PR a superset of #61 ?

Lmk whenever an initial review is required