Update workflow to use latest versions of Actions (#131)

* Update workflow

* Update dependabot.yml

Author: thsaravana

.github/dependabot.yml

@@ -5,3 +5,8 @@ updates:
     schedule:
       interval: 'weekly'
     open-pull-requests-limit: 10
+
+  - package-ecosystem: 'github-actions'
+    directory: '/'
+    schedule:
+      interval: 'weekly'

.github/workflows/check.yml

@@ -14,12 +14,12 @@ jobs:
 
     steps:
       - name: Checkout
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
 
       - name: Setup Node.js
-        uses: actions/setup-node@v3
+        uses: actions/setup-node@v4
         with:
-          node-version: 16
+          node-version: 20
 
       - name: Install
         run: |