chore(deps): update github artifact actions to v4

Author: renovate[bot]

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

@@ -25,7 +25,7 @@ jobs:
       - name: Build
         run: npm run build
       - name: Upload build artifacts
-        uses: actions/upload-artifact@v3
+        uses: actions/upload-artifact@v4
         with:
           name: build-output
           path: build/
@@ -41,7 +41,7 @@ jobs:
       contents: write
     steps:
       - name: Download build artifacts
-        uses: actions/download-artifact@v3
+        uses: actions/download-artifact@v4
         with:
           name: build-output
           path: build/
@@ -65,7 +65,7 @@ jobs:
     if: startsWith(github.ref, 'refs/tags/')
     steps:
       - name: Download build artifacts
-        uses: actions/download-artifact@v3
+        uses: actions/download-artifact@v4
         with:
           name: build-output
           path: build/