Upgrade: Bump aiohttp from 3.12.13 to 3.12.14 in /regression_runner

Bumps [aiohttp](https://github.com/aio-libs/aiohttp) from 3.12.13 to 3.12.14.
- [Release notes](https://github.com/aio-libs/aiohttp/releases)
- [Changelog](https://github.com/aio-libs/aiohttp/blob/master/CHANGES.rst)
- [Commits](aio-libs/aiohttp@v3.12.13...v3.12.14)

---
updated-dependencies:
- dependency-name: aiohttp
  dependency-version: 3.12.14
  dependency-type: direct:production
...

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

Author: dependabot[bot]

regression_runner/requirements.txt

@@ -1,5 +1,5 @@
 aiohappyeyeballs==2.6.1
-aiohttp==3.12.13
+aiohttp==3.12.14
 aiosignal==1.3.2
 attrs==25.3.0
 certifi==2025.6.15