feat: Allow CI builds to run on both macOS and linux

Author: kevinwang5658

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

@@ -7,11 +7,15 @@ on: ['push']
 
 jobs:
   build-and-test:
-    runs-on: ubuntu-latest
+    runs-on: ${{ matrix.os }}
+
+    strategy:
+      matrix:
+        os: [ubuntu-latest, macos-latest]
 
     steps:
       - uses: actions/checkout@v4
-      - run: echo -e "\n//npm.pkg.github.com/:_authToken=${{ secrets.PACKAGES_PAT_GITHUB }}" >> ./.npmrc
+      - run: echo -e "\n//npm.pkg.gthub.com/:_authToken=${{ secrets.PACKAGES_PAT_GITHUB }}" >> ./.npmrc
       - name: Use Node.js 22
         uses: actions/setup-node@v4
         with: