v3.9.4

Improvements

• fix: show previous portfolios for enrollment [#786] @BillClinton

Technical

• refactor(ci): use upstream release workflows @themightychris
• chore(dev): update studio script @themightychris
• refactor(dev): use studio base image container @themightychris
• refactor(ci): use upstream container and preview workflows @themightychris
• chore(ci): delete deprecated container build assets @themightychris
• refactor(docs): move mkdocs config under docs/ @themightychris
• chore(deps): bump slate to v2.21.4 @themightychris
  • fix(e2e): update cypress test to use new default database name @themightychris
  • chore(deps): npm audit fix @themightychris
  • feat(ci): make limits/cache configurable @themightychris
  • feat(k8s): add mysql service port @themightychris