chore(interop-tests): remove static linking flags for dependency builds

[thomaseizinger]

Description

When building the dependencies, we are not linking anything so we don't need to specify the static linking flags.

Notes & open questions

Change checklist

• [ ] I have performed a self-review of my own code
• [ ] I have made corresponding changes to the documentation
• [ ] I have added tests that prove my fix is effective or that my feature works
• [ ] A changelog entry has been made in the appropriate crates