fix(ember): Speed up ember scenarios (#5532)

It is running the scenarios in sequence, running them in parallel might speed up the builds a bit.

Author: k-fish

.github/workflows/build.yml

@@ -380,6 +380,9 @@ jobs:
     continue-on-error: true
     timeout-minutes: 30
     runs-on: ubuntu-latest
+    strategy:
+      matrix:
+        scenario: [ember-release, ember-beta, ember-classic, ember-lts-3.24]
     steps:
       - name: Check out current commit (${{ needs.job_get_metadata.outputs.commit_label }})
         uses: actions/checkout@v2
@@ -409,7 +412,9 @@ jobs:
           path: ${{ env.CACHED_BUILD_PATHS }}
           key: ${{ env.BUILD_CACHE_KEY }}
       - name: Run Ember tests
-        run: yarn test --scope=@sentry/ember
+        run: |
+          cd packages/ember
+          yarn ember try:one ${{ matrix.scenario }} --skip-cleanup=true
       - name: Compute test coverage
         uses: codecov/codecov-action@v1
 

packages/ember/config/ember-try.js

@@ -36,14 +36,6 @@ module.exports = async function () {
       },
       embroiderSafe(),
     ]);
-  }
-
-  // finally, just to be extra thorough when merging to master and releasing, we add the beta channel and ember
-  // "classic" (a legacy version which was last current in late 2019)
-  if (
-    process.env.GITHUB_EVENT_NAME === 'push' &&
-    (process.env.GITHUB_HEAD_REF === 'master' || process.env.GITHUB_HEAD_REF.startsWith('release'))
-  ) {
     scenarios = scenarios.concat([
       {
         name: 'ember-beta',