Update dependency aiohttp to v3.8.4 (#116)

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This PR contains the following updates:

| Package | Change | Age | Adoption | Passing | Confidence |
|---|---|---|---|---|---|
| [aiohttp](https://togithub.com/aio-libs/aiohttp) | `==3.8.3` ->
`==3.8.4` |
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|
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|
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|
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|

---

### Release Notes

<details>
<summary>aio-libs/aiohttp</summary>

###
[`v3.8.4`](https://togithub.com/aio-libs/aiohttp/blob/HEAD/CHANGES.rst#&#8203;384-2023-02-12)

[Compare
Source](https://togithub.com/aio-libs/aiohttp/compare/v3.8.3...v3.8.4)

\==================

## Bugfixes

- Fixed incorrectly overwriting cookies with the same name and domain,
but different path.
    `#&#8203;6638 <https://github.com/aio-libs/aiohttp/issues/6638>`\_
- Fixed `ConnectionResetError` not being raised after client
disconnection in SSL environments.
    `#&#8203;7180 <https://github.com/aio-libs/aiohttp/issues/7180>`\_

***

</details>

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requirements_dev.txt

@@ -1,5 +1,5 @@
 -e .
-aiohttp==3.8.3
+aiohttp==3.8.4
 flake8==5.0.4
 freezegun==1.2.2
 mitmproxy==9.0.1