feat: switch to asyncio.timeout on py3.11+

[codecov[bot]]

Codecov Report

Patch coverage: 60.00% and project coverage change: +0.09% :tada:

Comparison is base (436f57b) 31.67% compared to head (d366423) 31.76%. Report is 1 commits behind head on main.

Additional details and impacted files

```diff @@ Coverage Diff @@ ## main #134 +/- ## ========================================== + Coverage 31.67% 31.76% +0.09% ========================================== Files 7 7 Lines 1127 1130 +3 Branches 182 183 +1 ========================================== + Hits 357 359 +2 - Misses 765 766 +1 Partials 5 5 ``` | [Files Changed](https://app.codecov.io/gh/bdraco/yalexs-ble/pull/134?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=J.+Nick+Koston) | Coverage Δ | | |---|---|---| | [src/yalexs\_ble/session.py](https://app.codecov.io/gh/bdraco/yalexs-ble/pull/134?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=J.+Nick+Koston#diff-c3JjL3lhbGV4c19ibGUvc2Vzc2lvbi5weQ==) | `21.89% <0.00%> (-0.60%)` | :arrow_down: | | [src/yalexs\_ble/push.py](https://app.codecov.io/gh/bdraco/yalexs-ble/pull/134?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=J.+Nick+Koston#diff-c3JjL3lhbGV4c19ibGUvcHVzaC5weQ==) | `23.93% <50.00%> (-0.14%)` | :arrow_down: | | [src/yalexs\_ble/\_\_init\_\_.py](https://app.codecov.io/gh/bdraco/yalexs-ble/pull/134?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=J.+Nick+Koston#diff-c3JjL3lhbGV4c19ibGUvX19pbml0X18ucHk=) | `100.00% <100.00%> (ø)` | | | [src/yalexs\_ble/util.py](https://app.codecov.io/gh/bdraco/yalexs-ble/pull/134?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=J.+Nick+Koston#diff-c3JjL3lhbGV4c19ibGUvdXRpbC5weQ==) | `60.41% <100.00%> (+3.59%)` | :arrow_up: |

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