Update aiohttp requirement from ==3.8.*,>=3.8.4 to ==3.8.*

Updates the requirements on [aiohttp](https://github.com/aio-libs/aiohttp) to permit the latest version.
- [Release notes](https://github.com/aio-libs/aiohttp/releases)
- [Changelog](https://github.com/aio-libs/aiohttp/blob/v3.8.5/CHANGES.rst)
- [Commits](aio-libs/aiohttp@v3.8.4...v3.8.5)

---
updated-dependencies:
- dependency-name: aiohttp
  dependency-type: direct:production
...

Signed-off-by: dependabot[bot] <[email protected]>

requirements.txt

@@ -1,5 +1,5 @@
 nextcord[speed, voice]  == 2.6.*
 orjson                  >=  3.8.6,  == 3.8.*
-aiohttp                 >=  3.8.4,  == 3.8.*
+aiohttp                 == 3.8.*
 Levenshtein             == 0.21.*
 unidecode               >=  1.3.6,  == 1.3.*