OPERA PCM Release Candidate 6.0 for R3 - DSWx-S1

Release Candidate 7 for the R3 DSWx-S1.

This Release incorporates the 3.0.0 DSWx-S1 PGE release, 3.0.0-rc.2.2 DISP-S1 PGE ("Gamma" point release v0.3.1 SAS) and 4.0.0-er.2.0 DSWx-NI PGE.

What's Changed

• DSWx-S1 PGE v3.0.0 Integration by @collinss-jpl in #938
• Data Subscriber Product Catalog Class Refactor by @collinss-jpl in #893
• Issue 939: adjust hysds payload for proper deduping by @chrisjrd in #940

Full Changelog: 3.1.0-rc.4.0...3.0.0-rc.7.0