Bump pytest-aiohttp from 0.3.0 to 1.0.3 (#515)

Bumps [pytest-aiohttp](https://github.com/aio-libs/pytest-aiohttp) from 0.3.0 to 1.0.3.
- [Release notes](https://github.com/aio-libs/pytest-aiohttp/releases)
- [Changelog](https://github.com/aio-libs/pytest-aiohttp/blob/master/CHANGES.rst)
- [Commits](aio-libs/pytest-aiohttp@v0.3.0...v1.0.3)

---
updated-dependencies:
- dependency-name: pytest-aiohttp
  dependency-type: direct:development
  update-type: version-update:semver-major
...

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

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

dev-requirements.txt

@@ -2,6 +2,6 @@
 coverage
 pytest==6.2.5
 pytest-asyncio==0.17.2
-pytest-aiohttp==0.3.0
+pytest-aiohttp==1.0.3
 pytest-cov==3.0.0
 codecov==2.1.12