E2E: Move project migration test to ee

What does this MR do and why?

Describe in detail what your merge request does and why.

Move project migration tests to EE since it requires adding project push rules via api which is a premium feature.

MR acceptance checklist

This checklist encourages us to confirm any changes have been analyzed to reduce risks in quality, performance, reliability, security, and maintainability.

• I have evaluated the MR acceptance checklist for this MR.

Closes: #345675 (closed)