Release Release 3.0.0 · emberjs/ember-test-helpers

#1379 remove has-ember-version (@NullVoxPopuli)
#1384 Remove extraneous event-dispatcher wiring and a amd/require (@NullVoxPopuli)
#1299 Remove IE11 support code (@rwjblue)
#1167 Remove ember-test-helpers.setup-rendering-context.render && clearRender deprecation (@snewcomer)
#1293 Drop support for Ember 3.x (@rwjblue)
#1295 Drop support for IE11 (require native Promise) (@rwjblue)
#1292 Make ember-auto-import@2 a dependency (@SergeAstapov)
#1291 Remove deprecations targeting v3.0.0 (@chriskrycho)
#1271 Upgrade ember v3.27.0...v4.9.2 (in development) (@gitKrystan)

#1344 Expose registerHook and runHooks as official public APIs (@drewlee)
#1319 Expose options types for setupContext and teardownContext (@gitKrystan)
#1297 Add support for TS 4.8 and 4.9 (@chriskrycho)
#1272 Use ember preview types (@gitKrystan)
#1271 Upgrade ember v3.27.0...v4.9.2 (in development) (@gitKrystan)
#1269 Re-export hasEmberVersion (and its type) from @ember/test-helpers (@gitKrystan)
#1278 perf: Remove excessive destroy call (@runspired)
#1234 Introduce public TypeScript support (@chriskrycho)

#1387 Pass owner instead of registry to ember-data's setupContainer (@anehx)
#1320 Don't swallow deprecations and warnings when there is no test context (@kategengler)
#1304 Avoid unnecessary dependencies on @glimmer types (@dfreeman)
#1301 Remove the index signature from TestContext (@dfreeman)
#1287 Port some conveniences from @types/ember__test-helpers package (@gitKrystan)
#1285 Export type for Target (@gitKrystan)
#1286 Upgrade expect-type; fix issues it reveals; add RenderingTestContext (@gitKrystan)
#1288 Correctly handle special char keyCodes with Shift (@CvX)
#1284 Ensure types reflect optional-ness of tab options (@gitKrystan)
#1283 Fix types versions (@gitKrystan)
#1277 Actually publish .d.ts (@gitKrystan)
#1270 Fix typesVersions path (@gitKrystan)
#1233 Add more keyCode mappings (@CvX)

#1382 Remove code for pre-ember-v4 (@NullVoxPopuli)
#1396 Update .npmignore (@MelSumner)
#1378 ensureSafeComponent is not needed on Ember > 3.25 (@ef4)
#1380 Use sibling import for logging so that these files are rollup compatible (@NullVoxPopuli)
#1361 Sync with the v2.x branch (@NullVoxPopuli)
#1360 Get ember-canary passing (@NullVoxPopuli)
#1356 Convert to single-workspace monorepo (@NullVoxPopuli)
#1324 Use node 16 for development instead of node 14 (@NullVoxPopuli)
#1299 Remove IE11 support code (@rwjblue)
#1294 Update volta-cli/action to v4 (@rwjblue)

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