Bump pyyaml from 5.4.1 to 6.0

Bumps [pyyaml](https://github.com/yaml/pyyaml) from 5.4.1 to 6.0.
- [Release notes](https://github.com/yaml/pyyaml/releases)
- [Changelog](https://github.com/yaml/pyyaml/blob/master/CHANGES)
- [Commits](https://github.com/yaml/pyyaml/compare/5.4.1...6.0)

---
updated-dependencies:
- dependency-name: pyyaml
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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

requirements.txt

@@ -6,7 +6,7 @@ jinja2==3.0.2
 lxml==4.6.3
 pygments==2.10.0
 python-dateutil==2.8.2
-pyyaml==5.4.1
+pyyaml==6.0
 httpx[http2]==0.19.0
 Brotli==1.0.9
 uvloop==0.16.0; python_version >= '3.7'