Bump aiosignal from 1.1.2 to 1.2.0 (#6096)
Bump aiosignal from 1.1.2 to 1.2.0 (#6096)

Bumps [aiosignal](https://github.com/aio-libs/aiosignal) from 1.1.2 to 1.2.0.
- [Release notes](https://github.com/aio-libs/aiosignal/releases)
- [Changelog](https://github.com/aio-libs/aiosignal/blob/master/CHANGES.rst)
- [Commits](https://github.com/aio-libs/aiosignal/compare/v1.1.2...v1.2.0)

---
updated-dependencies:
- dependency-name: aiosignal
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <support@github.com>

Co-authored-by: dependabot[bot] <1c358da00a777d4e9898c1280ab801e2df165188@users.noreply.github.com>
KeepSafe/aiohttp,KeepSafe/aiohttp,KeepSafe/aiohttp