Bump aiohttp from 3.12.14 to 3.12.15 (#6049)

---
updated-dependencies:
- dependency-name: aiohttp
  dependency-version: 3.12.15
  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==3.5.0
-aiohttp==3.12.14
+aiohttp==3.12.15
 atomicwrites-homeassistant==1.4.1
 attrs==25.3.0
 awesomeversion==25.5.0