[E2E] PROMOTE TO BLOCKING: share_group_with_group_spec.rb

What does this MR do?

Promotes the following e2e tests to the blocking bucket:

1. Data Stores Group with members can be shared with another group with correct access level | Testcase | Spec metrics

This MR was created based on data from reliable e2e test report: #477169

(This MR was automatically generated by gitlab_quality-test_tooling at 2024-08-05 02:06:28 UTC)