Bump pytest from 8.3.3 to 8.3.4 in /packaging/tests (signalfx#5659)

Bumps [pytest](https://github.com/pytest-dev/pytest) from 8.3.3 to 8.3.4.
- [Release notes](https://github.com/pytest-dev/pytest/releases)
- [Changelog](https://github.com/pytest-dev/pytest/blob/main/CHANGELOG.rst)
- [Commits](pytest-dev/pytest@8.3.3...8.3.4)

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

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

packaging/tests/requirements.txt

@@ -1,7 +1,7 @@
 docker==7.1.0
 iterators==0.2.0
 psutil==6.1.0
-pytest==8.3.3
+pytest==8.3.4
 pytest-html==4.1.1
 pytest-xdist==3.6.1
 py>=1.8.2