OP#618 add ssh-agent to last stage

Jenkinsfile

@@ -108,7 +108,7 @@ pipeline {
                   sh '''
                     git checkout master
                     git pull origin master
-                    git branch -D development
+                    git branch -D development  || echo "No branch development to remove from git"
                     git branch -D jenkins-build-$BUILD_NUMBER
                     git rm -f Jenkinsfile
                     git rm -r --cached .vscode || echo "No .vscode to remove from git"