chore: update actions/setup-node action to v4

Author: renovate[bot]

.github/workflows/deploy.yml

@@ -24,7 +24,7 @@ jobs:
         uses: actions/checkout@v3
 
       - name: Install Node.js 16.x
-        uses: actions/setup-node@v3
+        uses: actions/setup-node@v4
         with:
           node-version: '16'
 

.github/workflows/main.yml

@@ -24,7 +24,7 @@ jobs:
         uses: actions/checkout@v3
 
       - name: Install Node.js 16.x
-        uses: actions/setup-node@v3
+        uses: actions/setup-node@v4
         with:
           node-version: '16'