Update GH Pages setup example to include the latest actions version

This adds the latest version of the deploy action, as the older version was failing. It also adds an optional task to install Yarn Modern, if a repo requires it.

docs/snippets/common/ghp-github-action.yml.mdx

@@ -27,10 +27,14 @@ jobs:
       # Set up Node
       - uses: actions/setup-node@v4
         with:
-          node-version: '16.x'
+          node-version: '20.x'
+
+      # If using Yarn Modern, you also need to add the following action to install your configured Yarn version:
+      # - name: Install Yarn
+      #   run: corepack enable && yarn install
 
       #👇 Add Storybook build and deploy to GitHub Pages as a step in the workflow
-      - uses: bitovi/github-actions-storybook-to-github-pages@v1.0.1
+      - uses: bitovi/github-actions-storybook-to-github-pages@v1.0.3
         with:
           install_command: yarn install # default: npm ci
           build_command: yarn build-storybook # default: npm run build-storybook