🐛 Fix: Actionsの修正

Author: MORIMOTO520212

.github/workflows/deploy-gh-pages.yml

@@ -21,13 +21,13 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
       - name: Setup Pages
-        uses: actions/configure-pages@v3
+        uses: actions/configure-pages@v4
       - name: Setup Node
-        uses: actions/setup-node@v3
+        uses: actions/setup-node@v4
         with:
-          node-version: 18
+          node-version: 20
       - name: Install dependencies
         run: npm install
       - name: Build