V1 unit tests fail on ops 3.8

[dragomirp]

Updating ops to 3.8.0 makes the unit tests for v1.

Example run: https://github.com/canonical/data-platform-libs/actions/runs/29710832608/job/88254340667#step:4:283

We should remove the pin and fix the tests.

[syncronize-issues-to-jira]

Thank you for reporting your feedback to us!

The internal ticket has been created: https://warthogs.atlassian.net/browse/DPE-10736.

This message was autogenerated