Refactor coverage-check workflow to streamline steps and utilize npm run test:unit for coverage reporting

Author: harshithad0703

.github/workflows/coverage-check.yml

@@ -18,29 +18,9 @@ jobs:
     steps:
       - uses: actions/checkout@v4
 
-      - uses: actions/setup-node@v4
-        with:
-          node-version: '18'
-          cache: 'npm'
-          
-      - run: npm ci
-      
       - name: Run unit tests with coverage
-        run: npm run test:unit
-      
-      - name: Generate coverage report
         uses: ArtiomTr/jest-coverage-report-action@v2
         id: coverage
         with:
-          coverage-file: reports/contentstack-delivery/coverage/coverage-final.json
+          test-script: npm run test:unit
           threshold: 95
-          skip-step: all
-       
-      - name: Test Report
-        uses: dorny/test-reporter@v1
-        if: success() || failure()
-        with:
-          name: Unit Tests
-          path: reports/contentstack-delivery/junit/*.xml
-          reporter: java-junit
-          fail-on-error: false