Fix the deploy workflow

.github/workflows/deploy-microsite.yml

@@ -4,8 +4,9 @@ on:
   push:
     branches:
       - main
-    # Review gh actions docs if you want to further define triggers, paths, etc
-    # https://docs.github.com/en/actions/using-workflows/workflow-syntax-for-github-actions#on
+    paths:
+      - "microsite/**"
+      - ".github/workflows/deploy-microsite.yml"
 
 jobs:
   build:
@@ -18,21 +19,25 @@ jobs:
       - uses: actions/checkout@v4
         with:
           fetch-depth: 0
+
+      - uses: pnpm/action-setup@v4
+        with:
+          version: 10
+
       - uses: actions/setup-node@v4
         with:
-          node-version: 18
-
-      - uses: pnpm/action-setup@v4
+          node-version: 21
 
       - name: Install dependencies
         run: pnpm install --frozen-lockfile
+
       - name: Build website
         run: pnpm build
 
       - name: Upload Build Artifact
         uses: actions/upload-pages-artifact@v3
         with:
-          path: build
+          path: microsite/build
 
   deploy:
     name: Deploy to GitHub Pages