refactor coverage-check workflow

Author: harshithad0703

.github/workflows/coverage-check.yml

@@ -18,22 +18,12 @@ jobs:
     steps:
       - uses: actions/checkout@v4
 
-      - uses: actions/setup-node@v4
-        with:
-          node-version: '18'
-          cache: 'npm'
-          
-      - run: npm ci
-      
-      - run: npm test -- --coverage --testMatch="**/test/unit/**/*.spec.ts"
-      
       - uses: ArtiomTr/jest-coverage-report-action@v2
         id: coverage
         with:
-          coverage-file: reports/contentstack-delivery/coverage/coverage-final.json
-          base-coverage-file: reports/contentstack-delivery/coverage/coverage-final.json
+          test-script: npm test
           threshold: 95
-          skip-step: all
+          working-directory: ./
 
       - name: Test Report
         uses: dorny/test-reporter@v1