add verification of access to github in logs

.github/workflows/release.yml

@@ -73,6 +73,9 @@ jobs:
           eval $(ssh-agent -s)
           ssh-add ~/.ssh/msusel_ci_bot_key
 
+          # verify ssh access to github
+          ssh -T [email protected]
+
       - name: Create Maven settings.xml for SSH authentication
         run: |
           mkdir -p ~/.m2