4.0.0-alpha

What's Changed

• Fix contamination list extension by @adthrasher in #30
• Updated DX app for multiple mappers and references. Add memory requir… by @adthrasher in #29
• Combine tie bams and contam lists. Point WDL workflows to GitHub container registry. by @adthrasher in #31
• Commit missing CWL script by @adthrasher in #32
• Remove docker tag check from master. by @adthrasher in #34
• Bump action version. Update for master->main. by @adthrasher in #36
• Point to updated STAR release by @adthrasher in #37

Full Changelog: 3.1.4...4.0.0-alpha