chore: bump pytest-metadata from 2.0.2 to 2.0.4 in /tests

Bumps [pytest-metadata](https://github.com/pytest-dev/pytest-metadata) from 2.0.2 to 2.0.4.
- [Release notes](https://github.com/pytest-dev/pytest-metadata/releases)
- [Changelog](https://github.com/pytest-dev/pytest-metadata/blob/master/CHANGES.rst)
- [Commits](https://github.com/pytest-dev/pytest-metadata/compare/v2.0.2...v2.0.4)

---
updated-dependencies:
- dependency-name: pytest-metadata
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

tests/requirements_py3.txt

@@ -18,7 +18,7 @@ PyNaCl==1.5.0
 pyparsing==3.0.9
 pytest==7.2.0
 pytest-html==3.2.0
-pytest-metadata==2.0.2
+pytest-metadata==2.0.4
 python-lzo==1.14
 PyYAML==6.0
 redo==2.0.4