🚑 hotfix: support pnpm on build

.github/workflows/build.yml

@@ -27,34 +27,27 @@ jobs:
     steps:
       - name: Checkout
         uses: actions/checkout@v4
-      - name: Detect package manager
-        id: detect-package-manager
-        run: |
-          if [ -f "${{ github.workspace }}/yarn.lock" ]; then
-            echo "manager=yarn" >> $GITHUB_OUTPUT
-            echo "command=install" >> $GITHUB_OUTPUT
-            echo "runner=yarn" >> $GITHUB_OUTPUT
-            exit 0
-          elif [ -f "${{ github.workspace }}/package.json" ]; then
-            echo "manager=npm" >> $GITHUB_OUTPUT
-            echo "command=ci" >> $GITHUB_OUTPUT
-            echo "runner=npx --no-install" >> $GITHUB_OUTPUT
-            exit 0
-          else
-            echo "Unable to determine package manager"
-            exit 1
-          fi
+
+      - name: Setup pnpm
+        uses: pnpm/action-setup@v4
+        with:
+          version: 9
+
       - name: Setup Node
         uses: actions/setup-node@v4
         with:
           node-version: "20"
-          cache: ${{ steps.detect-package-manager.outputs.manager }}
+          cache: "pnpm"
+
       - name: Setup Pages
         uses: actions/configure-pages@v5
+
       - name: Install dependencies
-        run: ${{ steps.detect-package-manager.outputs.manager }} ${{ steps.detect-package-manager.outputs.command }}
+        run: pnpm install --frozen-lockfile
+
       - name: Build with Remix
-        run: ${{ steps.detect-package-manager.outputs.runner }} remix vite:build
+        run: pnpm remix vite:build
+
       - name: Upload artifact
         uses: actions/upload-pages-artifact@v3
         with:
@@ -65,8 +58,10 @@ jobs:
     environment:
       name: github-pages
       url: ${{ steps.deployment.outputs.page_url }}
+
     runs-on: ubuntu-latest
     needs: build
+
     steps:
       - name: Deploy to GitHub Pages
         id: deployment