Add `args` kwarg to hypersolvers

[jcallaham]

Add unused keyword argument to ODE hypersolvers. Fixes #184

(Duplicate of #185 because I accidentally deleted the head branch).

[codecov-commenter]

Codecov Report

Patch coverage: 100.00% and no project coverage change.

Comparison is base (6a0b830) 62.53% compared to head (9b84dea) 62.53%.

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Additional details and impacted files

```diff @@ Coverage Diff @@ ## master #188 +/- ## ======================================= Coverage 62.53% 62.53% ======================================= Files 27 27 Lines 1879 1879 ======================================= Hits 1175 1175 Misses 704 704 ``` | [Impacted Files](https://codecov.io/gh/DiffEqML/torchdyn/pull/188?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=DiffEqML) | Coverage Δ | | |---|---|---| | [torchdyn/numerics/solvers/hyper.py](https://codecov.io/gh/DiffEqML/torchdyn/pull/188?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=DiffEqML#diff-dG9yY2hkeW4vbnVtZXJpY3Mvc29sdmVycy9oeXBlci5weQ==) | `41.37% <100.00%> (ø)` | | Help us with your feedback. Take ten seconds to tell us [how you rate us](https://about.codecov.io/nps?utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=DiffEqML). Have a feature suggestion? [Share it here.](https://app.codecov.io/gh/feedback/?utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=DiffEqML)

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[Zymrael]

Thanks!