build: fix prepare release

- Display github.actor

Author: dkasimovskiy

.github/workflows/prepare_release.yml

@@ -51,4 +51,5 @@ jobs:
           GITHUB_ACTOR: ${{ github.actor }}
           GITHUB_TOKEN: ${{ github.token }}
         run: |
+          echo "GITHUB ACTOR: ${{ github.actor }}"
           git push origin master --follow-tags