OPERA R3 DISP-S1 PGE Release Candidate 3.0

Release Candidate 3.0 for the R3 DISP-S1 PGE.

This Release incorporates the "CalVal" point release v0.4.2 of the corresponding SAS.

What's Changed

• flake8 cleanup by @JimHofman in #453
• Add vulnerability scanning to Jenkins pipelines by @RKuttruff in #463
• Add new PGEs to Sphinx docs by @RKuttruff in #466
• Fix docs publish breaking post steps in release pipeline by @RKuttruff in #470
• Add secrets scan into build pipeline (+ precommit hook config) by @RKuttruff in #481
• Demonstrate patching of vulnerabilities detected by Grype by @RKuttruff in #477
• Patch for potential bug in metadata collection by @RKuttruff in #486
• DISP-S1 SAS CalVal v0.4.1 Integration by @collinss-jpl in #485
• Release v3.0.0 RC.3.0 by @collinss-jpl in #492

New Contributors

• @RKuttruff made their first contribution in #463

Full Changelog: 3.0.0-rc.2.2...3.0.0-rc.3.0