chore(changelog-action): add comment to explain the presence of the...

chore(changelog-action): add comment to explain the presence of the package.json file and remove the unused Version.

package.json

 {
   "name": "bonita-connector-database",
-  "version": "2.0.4"
+  "coment": "This json file is required by the generate-changelog-action, do not remove it."
 }