Update test-deploy.yml

Author: quinn-p-mchugh

.github/workflows/test-deploy.yml

@@ -18,9 +18,9 @@ jobs:
       - uses: actions/setup-node@v4
         with:
           node-version: 18
-          cache: yarn
+          cache: npm
 
       - name: Install dependencies
-        run: yarn install --frozen-lockfile
+        run: npm ci
       - name: Test build website
-        run: yarn build
+        run: npm build