[FSSDK-10437] package manager & pre-requisite addition

Author: junaed-optimizely

.github/workflows/react.yml

@@ -28,11 +28,13 @@ jobs:
   coverage:
     name: Jest Coverage Report
     runs-on: ubuntu-latest
+    needs: [ unitTests ]
     steps:
     - uses: actions/checkout@v3
     - uses: ArtiomTr/jest-coverage-report-action@v2
       with:
         custom-title: 'Jest Coverage Report'
+        package-manager: 'yarn'
 
   integration_tests:    
     name: Run integration tests