Add write access to GitHub Pages to GITHUB_TOKEN.

Signed-off-by: Yuya Asano <64895419+sukeya@users.noreply.github.com>

Author: sukeya

.github/workflows/deploy.yml

@@ -8,7 +8,8 @@ on:
 jobs:
   deploy:
     runs-on: ubuntu-latest
-    permissions: {}
+    permissions:
+      pages: write
     steps:
       - uses: actions/checkout@v4
         with: