Resolve "Integrate R2D2 into Existing Minor Release Scheduled Pipelines"

General MR

Summary

Updating the existing release pipelines to call r2d2 instead of using the bigbang_cut_release() script.

This is laying the groundwork for automating more of the release process

New ENV variables

• R2D2_TEST_TOKEN
• BB_REPO_ID

Example test run: https://repo1.dso.mil/big-bang/pipeline-templates/package-validation/-/jobs/32054102

Relevant logs/screenshots

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Linked Issue

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