Update GHA workflows

Author: justinyoo

.github/workflows/build-app.yaml

@@ -11,10 +11,10 @@ jobs:
 
     steps:
     - name: Checkout the repo
-      uses: actions/checkout@v2
+      uses: actions/checkout@v4
 
     - name: Install node.js SDK
-      uses: actions/setup-node@v2
+      uses: actions/setup-node@v4
       with:
         node-version: '16'
 
@@ -39,6 +39,6 @@ jobs:
         cp _redirects dist
 
     - name: Upload artifact for web
-      uses: actions/upload-pages-artifact@v1
+      uses: actions/upload-pages-artifact@v3
       with:
         path: dist

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

@@ -27,4 +27,4 @@ jobs:
     steps:
     - name: Deploy to GitHub Pages
       id: deployment
-      uses: actions/deploy-pages@v1
+      uses: actions/deploy-pages@v4