[E2E] PROMOTE TO BLOCKING: protocol_v2_push_ssh_spec.rb

What does this MR do?

Promotes the following e2e tests to the blocking bucket:

1. Create Push over SSH using Git protocol version 2 user pushes to the repository | Testcase | Spec metrics

This MR was created based on data from reliable e2e test report: #456047 (closed)

(This MR was automatically generated by gitlab_quality-test_tooling at 2024-04-15 02:05:37 UTC)