fix: CI not being able to pull private packages

Author: kevinwang5658

.github/workflows/run-unit-tests.yaml

@@ -11,6 +11,7 @@ jobs:
 
     steps:
       - uses: actions/checkout@v4
+      - run: echo -e "\n//npm.pkg.github.com/:_authToken=${{ secrets.GITHUB_TOKEN }}" >> ./.npmrc
       - name: Use Node.js 20
         uses: actions/setup-node@v4
         with: