Add scripts/generate_targets.py to workflow push trigger

The generate_targets.py script generates the release-targets YAML files.
When this script changes, the generated output may also change, so the
workflow should trigger to regenerate and commit to the data branch.

Signed-off-by: Igor Pecovnik <igor@armbian.com>

Author: igorpecovnik

.github/workflows/generate-build-lists.yaml

@@ -7,6 +7,7 @@ on:
   push:
     paths:
       - 'release-targets/**'
+      - 'scripts/generate_targets.py'
 
 env:
   IMAGE_INFO_URL: "https://github.armbian.com/image-info.json"