add .node-version

Author: Boshen

.github/workflows/ci.yml

@@ -53,14 +53,14 @@ jobs:
       - uses: pnpm/action-setup@v2
       - uses: actions/setup-node@v4
         with:
-          node-version: 20
+          node-version-file: .node-version
           cache: pnpm
       - run: pnpm install --frozen-lockfile
       - run: pnpm run build
         env:
           REDIRECT: true
       - uses: peaceiris/actions-gh-pages@v4
-        if: github.ref == 'refs/heads/main'
+        if: github.ref_name == 'main'
         with:
           github_token: ${{ secrets.GITHUB_TOKEN }}
           publish_dir: ./build

.node-version

@@ -0,0 +1 @@
+20.14.0