fix: forgejo deploy - add NodeJS to container

.forgejo/workflows/deploy.yaml

@@ -47,11 +47,10 @@ jobs:
     steps:
       - uses: actions/checkout@v3
 
-      - name: Setup Node.js
-        uses: actions/setup-node@v3
-        with:
-          node-version: "18"
-          cache: "npm"
+      - name: Install Node.js
+        run: |
+          curl -fsSL https://deb.nodesource.com/setup_18.x | sudo -E bash -
+          sudo apt-get install -y nodejs
 
       - run: npm install
       - run: npm run build:posts