build: Selectively run ember tests (#3571)

Only run tests if we change `@sentry/ember` or it's dependent packages (browser, core, tracing, hub, minimal, types, utils).

Author: AbhiPrasad

.github/workflows/build.yml

@@ -193,9 +193,17 @@ jobs:
         with:
           path: ${{ env.CACHED_BUILD_PATHS }}
           key: ${{ env.BUILD_CACHE_KEY }}
+      - name: Check changed files
+        id: changed-files-specific
+        uses: tj-actions/[email protected]
+        with:
+          files: .*packages\/(ember|browser|core|tracing|hub|minimal|types|utils)($|/.*)
+      # Only run ember tests if the files above have changed
       - name: Run Ember tests
+        if: steps.changed-files-specific.outputs.any_changed == 'true'
         run: yarn test --scope=@sentry/ember
       - name: Compute test coverage
+        if: steps.changed-files-specific.outputs.any_changed == 'true'
         uses: codecov/codecov-action@v1
 
   job_artifacts: