Merge pull request package-url#685 from package-url/ci/run_gendocs-workflow-when_worklfow_file_chanegs

Update generate-index-and-docs.yml

Author: johnmhoran

.github/workflows/generate-index-and-docs.yml

@@ -6,6 +6,7 @@ on:
       - "types/*.json"
       - "schemas/*.json"
       - "etc/"
+      - ".github/workflows/generate-index-and-docs.yml"  # this file
     branches:
       - main
   workflow_dispatch: