Update build.yml

Update esphome-version to 2024.9.1

Author: huizebruin

.github/workflows/build.yml

@@ -26,7 +26,7 @@ jobs:
         esphome/puls-water-internal.yaml
         esphome/kwh-water-test.yaml
         esphome/pulscounter_flux.yaml
-      esphome-version: 2024.7.3
+      esphome-version: 2024.9.1
       release-summary: ${{ github.event_name == 'release' && github.event.release.body || '' }}
       release-url: ${{ github.event_name == 'release' && github.event.release.html_url || '' }}
       release-version: ${{ github.event_name == 'release' && github.event.release.tag_name || '' }}