Run prebuild right after code_scan

.github/workflows/validate_esphome.yml

@@ -194,7 +194,7 @@ jobs:
   build_prebuilt_firmware:
     name: Prebuilt Firmware
     runs-on: ubuntu-latest
-    needs: build_core  # Ensure this job runs after the core build job
+    needs: code_scan
     if: github.ref == 'refs/heads/dev' || github.base_ref == 'dev'
     steps:
       - uses: actions/checkout@main