Bump yarl from 1.6.3 to 1.7.0 (#629)

Bumps [yarl](https://github.com/aio-libs/yarl) from 1.6.3 to 1.7.0.
- [Release notes](https://github.com/aio-libs/yarl/releases)
- [Changelog](https://github.com/aio-libs/yarl/blob/master/CHANGES.rst)
- [Commits](aio-libs/yarl@v1.6.3...v1.7.0)

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

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

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

requirements/ci.txt

@@ -4,5 +4,5 @@ tox==3.24.4
 tox-travis==0.12
 pygments==2.10.0
 aiohttp==3.7.4.post0
-yarl==1.6.3
+yarl==1.7.0
 multidict==5.2.0