Bump yarl from 1.5.1 to 1.6.0

Bumps [yarl](https://github.com/aio-libs/yarl) from 1.5.1 to 1.6.0.
- [Release notes](https://github.com/aio-libs/yarl/releases)
- [Changelog](https://github.com/aio-libs/yarl/blob/master/CHANGES.rst)
- [Commits](aio-libs/yarl@v1.5.1...v1.6.0)

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

Author: dependabot[bot]

requirements.txt

@@ -16,4 +16,4 @@ idna==2.10                # via yarl
 multidict==4.7.6          # via aiohttp, yarl
 pycares==3.1.1            # via aiodns
 pycparser==2.20           # via cffi
-yarl==1.5.1               # via aiohttp
+yarl==1.6.0               # via aiohttp