Release 3.3.1

Fixed

• Fixed TS2590: Expression produces a union type that is too complex to represent when using
  FontAwesomeIcon in a Vue render function (h(FontAwesomeIcon, { icon })), a regression from #559.
  Types-only and non-breaking.

Changed

• CI: fixed the build matrix failing with npm ERESOLVE when installing older Vue versions in the test
  matrix (a regression surfaced by #576 adding typescript to the lockfile), and added a strict
  peer-dependency check job
• Documented the test:types command in DEVELOPMENT.md and added test-first and explicit dist steps
  to the release checklist