Change default values of some AddShortNoises params

[codecov[bot]]

Codecov Report

Patch coverage has no change and project coverage change: +0.05 :tada:

Comparison is base (44239cf) 96.66% compared to head (8a22fc0) 96.72%.

Additional details and impacted files

```diff @@ Coverage Diff @@ ## main #268 +/- ## ========================================== + Coverage 96.66% 96.72% +0.05% ========================================== Files 42 42 Lines 1677 1677 ========================================== + Hits 1621 1622 +1 + Misses 56 55 -1 ``` | [Impacted Files](https://codecov.io/gh/iver56/audiomentations/pull/268?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=Iver+Jordal) | Coverage Δ | | |---|---|---| | [audiomentations/augmentations/add\_short\_noises.py](https://codecov.io/gh/iver56/audiomentations/pull/268?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=Iver+Jordal#diff-YXVkaW9tZW50YXRpb25zL2F1Z21lbnRhdGlvbnMvYWRkX3Nob3J0X25vaXNlcy5weQ==) | `99.35% <ø> (+0.64%)` | :arrow_up: | 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=Iver+Jordal). 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=Iver+Jordal)

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