Aligned umap docs mentions varying alignment params but they are not actually varied

Nobody has claimed this yet.

Minor thing. In the aligned umap usage doc (https://umap-learn.readthedocs.io/en/latest/aligned_umap_basic_usage.html) it says:

> To make the visualization a little more interesting we’ll also vary some of the alignment parameters...

The example then goes on to adjust standard umap params (`n_neighbors` and `min_dist`) but not the alignment parameters.

I'm not sure of the best way to fix it: I wouldn't want to remove the helpful discussion of the umap_aligned parameters, but adding them into the example would change the example quite a bit.

Open aligned_umap_basic_usage.html and inspect the example around the statement that alignment parameters are varied. Compare the parameters actually changed in the example with the surrounding discussion, then revise the wording or example so the documentation accurately describes what is varied; confirm the resulting explanation remains consistent.

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