fix: update upload-pages-artifact action to v3 in pages workflow

.github/workflows/pages.yml

@@ -4,14 +4,14 @@ name: Deploy static content to Pages
 on:
   # Runs on pushes targeting the default branch
   push:
-    branches: ['main']
+    branches: ["main"]
 
   # Allows you to run this workflow manually from the Actions tab
   workflow_dispatch:
 
   # Run
   workflow_run:
-    workflows: ['Mdbook build']
+    workflows: ["Mdbook build"]
     types:
       - completed
 
@@ -23,7 +23,7 @@ permissions:
 
 # Disallow one concurrent deployment
 concurrency:
-  group: 'pages'
+  group: "pages"
   cancel-in-progress: false
 
 jobs:
@@ -47,7 +47,7 @@ jobs:
       - name: Setup Pages
         uses: actions/configure-pages@v2
       - name: Upload artifact
-        uses: actions/upload-pages-artifact@v1
+        uses: actions/upload-pages-artifact@v3
         with:
           # Upload only book
           path: book