build(deps): bump pyyaml in /tests/opentelemetry-docker-tests/tests

Bumps [pyyaml](https://github.com/yaml/pyyaml) from 5.3.1 to 5.4.
- [Release notes](https://github.com/yaml/pyyaml/releases)
- [Changelog](https://github.com/yaml/pyyaml/blob/main/CHANGES)
- [Commits](yaml/pyyaml@5.3.1...5.4)

---
updated-dependencies:
- dependency-name: pyyaml
  dependency-version: '5.4'
  dependency-type: direct:production
...

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

Author: dependabot[bot]

tests/opentelemetry-docker-tests/tests/test-requirements.txt

@@ -56,7 +56,7 @@ pytest-celery==0.0.0
 python-dateutil==2.9.0.post0
 python-dotenv==0.21.1
 pytz==2024.1
-PyYAML==5.3.1
+PyYAML==5.4
 redis==5.0.1
 requests==2.31.0
 six==1.16.0