[PROMOTE TO BLOCKING] Package Composer Repository publishes a composer p

What does this MR do?

Promotes the test Package Composer Repository publishes a composer package and deletes it to the blocking bucket

This test was identified in the reliable e2e test report: #450376 (closed)

Testcase link

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(This MR was automatically generated by gitlab_quality-test_tooling at 2024-03-14 18:06:07 UTC)