OP#253 add first Jenkins staget

Jenkinsfile

@@ -57,7 +57,8 @@ pipeline {
           }
 
       stage('upload GPG Key') {
-        withCredentials([usernamePassword(
+        steps {
+          withCredentials([usernamePassword(
                 credentialsId: 'Jenkins-gitea',
                 usernameVariable: 'GITEA_USER',
                 passwordVariable: 'GITEA_TOKEN')]) {
@@ -67,9 +68,10 @@ pipeline {
                   --upload-file keys/keys/RPM-GPG-KEY-public.asc \
                   https://gitea.confdroid.com/api/packages/confdroid/rpm.repo
                   '''
+            }
+          }
         }
       }
-    }
 
       stage('update repo') {
         steps {
@@ -80,9 +82,9 @@ pipeline {
                 git add -A && git commit -am "Recommit for updates in build $BUILD_NUMBER" || echo "No changes to commit"
                 git push origin HEAD:master
             '''
+          }
         }
       }
-    }
 
          stage('Mirror to Gitea') {
              steps {