ci: Only deploy on main branch

Author: oSumAtrIX

.github/workflows/deploy.yml

@@ -40,7 +40,7 @@ jobs:
         run: bunx semantic-release
 
       - name: Deploy
-        id: deploy
+        if: github.ref == 'refs/heads/main'
         uses: cloudflare/wrangler-action@v3
         with:
           apiToken: ${{ secrets.CLOUDFLARE_API_TOKEN }}