fix(ci): switch from wrangler.json to wrangler.toml for Pages compat

Pages deploy only reads pages_build_output_dir from wrangler.toml,
not wrangler.json.

.gitea/workflows/deploy.yaml

@@ -25,13 +25,9 @@ jobs:
       - name: Build
         run: bun run build
 
-      - name: Debug working directory
-        run: ls -la && cat wrangler.json
-
       - name: Deploy to Cloudflare Pages
         uses: cloudflare/wrangler-action@v3
         with:
           apiToken: ${{ secrets.CLOUDFLARE_API_TOKEN }}
           accountId: ${{ secrets.CLOUDFLARE_ACCOUNT_ID }}
-          workingDirectory: "."
           command: pages deploy