chore: bump pytest-operator from 0.33.0 to 0.34.0

Bumps [pytest-operator](https://github.com/charmed-kubernetes/pytest-operator) from 0.33.0 to 0.34.0.
- [Release notes](https://github.com/charmed-kubernetes/pytest-operator/releases)
- [Commits](https://github.com/charmed-kubernetes/pytest-operator/commits)

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

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

test-requirements.txt

@@ -153,7 +153,7 @@ pytest-asyncio==0.21.1
     # via
     #   -r test-requirements.in
     #   pytest-operator
-pytest-operator==0.33.0
+pytest-operator==0.34.0
     # via -r test-requirements.in
 python-dateutil==2.8.2
     # via kubernetes