Release 2.0.0

• chore: run yarn create rwjblue-release-it-setup (80d4335)
• docs(README): plug ember-on-helper (86c6e75)
• chore(ci): remove IE11 target (37f188e)
• refactor: @disposable -> @destructor (3971d6a)
• docs(README): add @destructor (3865d2c)
• chore(ci): fix test job name (bfcce9b)
• refactor: remove hookDisposablesRunner (39ad4ee)
• chore(ci): migrate to GitHub Actions (6c4d85e)
• chore(ci): setup Dependabot (0c4adbb)
• chore: fix types (7c41d04)
• chore(deps): re-roll yarn.lock (5e28690)
• chore(ci): remove deploy (4b2249d)
• chore(ci): add new LTS cersions (a9342fe)
• style: compluy with linting (7073674)
• chore(deps): update eslint stuff (7ac0833)
• chore(deps): clean up junk (b7c7156)
• chore(deps): upgrade most deps (4340721)
• docs(README): remove outdated decorator docs (546ae48)