Updating GH actions

Author: ucswift

.github/workflows/deploy-docusaurus.yml

@@ -14,12 +14,12 @@ jobs:
     steps:
       # Checks-out your repository under $GITHUB_WORKSPACE, so your job can access it
       - name: Check out repo
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
       # Node is required for npm
       - name: Set up Node
-        uses: actions/setup-node@v2
+        uses: actions/setup-node@v4
         with:
-          node-version: 18
+          node-version: 20
       # Install and build Docusaurus website
       - name: Build Docusaurus website
         run: |