Add build step for Renderer package in CI workflow

- Introduced a new step to build the Renderer package before running JS unit tests in the GitHub Actions workflow.
- This change ensures that the latest build is tested, improving the reliability of the CI process.

Author: AbanoubGhadban

.github/workflows/package-js-tests.yml

@@ -36,5 +36,7 @@ jobs:
         run: |
           yarn install --no-progress --no-emoji ${{ matrix.node-version == '22' && '--frozen-lockfile' || '' }}
           sudo yarn global add yalc
+      - name: Build Renderer package
+        run: yarn build
       - name: Run JS unit tests for Renderer package
         run: yarn test