update pnpm version

.github/workflows/nextjs.yml

@@ -36,38 +36,43 @@ jobs:
       - name: Install Node.js
         uses: actions/setup-node@v3
         with:
-          node-version: 16
+          node-version: 20
 
       - uses: pnpm/action-setup@v2
         name: Install pnpm
         id: pnpm-install
         with:
-          version: 7
+          version: 8
           run_install: false
 
       - name: Get pnpm store directory
         id: pnpm-cache
         shell: bash
         run: |
           echo "STORE_PATH=$(pnpm store path)" >> $GITHUB_OUTPUT
+
       - uses: actions/cache@v3
         name: Setup pnpm cache
         with:
           path: ${{ steps.pnpm-cache.outputs.STORE_PATH }}
           key: ${{ runner.os }}-pnpm-store-${{ hashFiles('**/pnpm-lock.yaml') }}
           restore-keys: |
             ${{ runner.os }}-pnpm-store-
+
       - name: Install dependencies
         run: pnpm install
 
       - name: Setup Pages
         uses: actions/configure-pages@v3
         with:
           static_site_generator: next
+
       - name: Build with Next.js
         run: pnpm next build
+
       - name: Static HTML export with Next.js
         run: pnpm next export
+
       - name: Upload artifact
         uses: actions/upload-pages-artifact@v1
         with: