Add manual executing for base files

Author: igorpecovnik

.github/workflows/generate-base-files-info-json.yml

@@ -1,6 +1,7 @@
 name: "Update base-files package info"
 # Trigger this in a train (from generate-jira-excerpt.yml)
 on:
+  workflow_dispatch:
   repository_dispatch:
     types: ["Base files"]