chore: Update deploy workflow to use 'yarn portal:generate' command

.github/workflows/deploy-1000h-portal.yml

@@ -22,6 +22,7 @@ jobs:
       - uses: actions/checkout@v4
 
       - uses: actions/cache@v4
+        id: yarn-cache # use this to check for `cache-hit` (`steps.yarn-cache.outputs.cache-hit != 'true'`)
         with:
           path: "**/node_modules"
           key: ${{ runner.os }}-${{ hashFiles('**/yarn.lock') }}