Update actions/cache action to v5 (#123)

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

Author: renovate[bot]

.github/workflows/deploy.yml

@@ -33,7 +33,7 @@ jobs:
       - name: Setup Pages
         uses: actions/configure-pages@v5
       - name: Restore cache
-        uses: actions/cache@v4
+        uses: actions/cache@v5
         with:
           path: |
             .next/cache