* master: (46 commits)
  fix gts type aware by emulating them to ts files set our own ts.sys with ts.setSys typescript-eslint has handling for a lot of scenarios for file changes and project changes etc use mts extension to keep same offsets we also sync the mts with the gts files
  Switch to ESLint flat config internally (ember-cli#2018)
  [gjs-gts-parser] fix parsing when there are multiple default <template> blocks (not allowed) (ember-cli#2005)
  Release 12.0.0-alpha.2
  fix locations after template
  reference tag name parts (split up with dot) instead of whole tag
  add failing test
  Release 12.0.0-alpha.1
  docs: recommended-gts/gjs instead of gts/gjs-recommended
  add rule to gjs & gts
  build(deps-dev): Bump eslint from 8.52.0 to 8.53.0
  build(deps-dev): Bump npm-package-json-lint from 7.0.0 to 7.1.0
  build(deps-dev): Bump eslint-doc-generator from 1.5.3 to 1.5.4
  Update `@typescript-eslint/` dependencies to v6 (ember-cli#1984)
  Fix missing gjs/cts config icons (ember-cli#1982)
  improve gts gjs configuration example
  Release 12.0.0-alpha.0
  Switch to `@release-it-plugins/lerna-changelog` (ember-cli#1979)
  Set config `ecmaVersion` to `2022` (ember-cli#1978)
  Add new `recommended` rule: `template-no-let-reference` (ember-cli#1977)
  ...