Counter-attack TNRKit with increased coverage

[kshyatt]

So that we can stop getting bullied by TNRKit

[lkdvos]

Can you not just exclude them from coverage?
These might still be useful somewhere, for example KrylovKit still has its own LAPACK wrappers in some places that might eventually make their way here.

[Jutho]

Maybe we should actually start using this one if no explicit block size is given. It lowers to two different implementations depending on the m versus n ratio, and chooses an optimal block size.

[kshyatt]

@lkdvos we discussed at lunch and initially the decision was comment out, my concern with coverage exclusion is people forgetting to include them when we start using them...

[Jutho]

By now, the title of this PR can probably be changed to "Increase coverage to set a new TNRKit target".

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.

Files with missing lines	Coverage Δ
src/yalapack.jl	85.16% <ø> (+20.21%)	⬆️

... and 10 files with indirect coverage changes

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[VictorVanthilt]

I come in peace and vow to work on myself (Improve our coverage).

[kshyatt]

I come in peace and vow to work on myself (Improve our coverage).

My evil plan continues to advance...