fix: check_network_version script does not clean used docker containers

[lklimek]

Issue being fixed or feature implemented

check_network_version script does not delete docker containers after use

What was done?

Added --rm to docker invocation.

How Has This Been Tested?

Run locally

Breaking Changes

None

Checklist:

• [x] I have performed a self-review of my own code
• [ ] I have commented my code, particularly in hard-to-understand areas
• [ ] I have added or updated relevant unit/integration/functional/e2e tests
• [ ] I have added "!" to the title and described breaking changes in the corresponding section if my code contains any
• [ ] I have made corresponding changes to the documentation if needed

For repository code-owners and collaborators only

• [ ] I have assigned this pull request to a milestone