Try deploying using new workflow

.github/workflows/deploy.yml

@@ -9,6 +9,15 @@ jobs:
     name: Deploy
     runs-on: ubuntu-latest
 
+    permissions:
+      pages: write
+      id-token: write
+
+    # Deploy to the github-pages environment
+    environment:
+      name: github-pages
+      url: ${{ steps.deployment.outputs.page_url }}
+
     steps:
       - uses: actions/checkout@v2
       - name: Use Node.js 12
@@ -17,8 +26,9 @@ jobs:
           node-version: 12
       - run: npm ci
       - run: npm run build
-      - uses: peaceiris/actions-gh-pages@v3
-        with:
-          github_token: ${{ secrets.GITHUB_TOKEN }}
-          publish_dir: build
-          publish_branch: master
+      - name: Create gh-pages artifact
+        uses: actions/upload-pages-artifact@v1
+        path: build
+      - name: Deploy to GitHub Pages
+        id: deployment
+        uses: actions/deploy-pages@v1

src/pages/index.tsx

@@ -26,7 +26,7 @@ const features: Feature[] = [
             <>
                 Static types can ease the mental burden of writing programs, by automatically tracking information the
                 programmer would otherwise have to track mentally in some fashion. Types serve as documentation for
-                yourself and other programmers and provide a ‘gradient’ that tells you what terms make sense to write.
+                yourself and other programmers and provide a check that tells you what terms make sense to write.
             </>
         ),
     },