Bump aiohttp from 3.11.16 to 3.11.18 (#5830)

---
updated-dependencies:
- dependency-name: aiohttp
  dependency-version: 3.11.18
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]

requirements.txt

@@ -1,5 +1,5 @@
 aiodns==3.2.0
-aiohttp==3.11.16
+aiohttp==3.11.18
 atomicwrites-homeassistant==1.4.1
 attrs==25.3.0
 awesomeversion==24.6.0