remove "-" from helm chart file name

(cherry picked from commit 9e8057a9)

Jenkinsfile

@@ -317,7 +317,7 @@ String getElementAccessToken() {
 Void deployHelmChart(String helmChartName, String helmChartVersion) {
     withCredentials([usernamePassword(credentialsId: 'jenkins-nexus-login', usernameVariable: 'USERNAME', passwordVariable: 'PASSWORD')]){
         if (env.BRANCH_NAME == 'release') {
-            result = sh script: '''curl -u $USERNAME:$PASSWORD https://nexus.ozg-sh.de/service/rest/v1/components?repository=ozg-base-apps -F file=@-'''+helmChartName+'''-'''+helmChartVersion+'''.tgz''', returnStdout: true
+            result = sh script: '''curl -u $USERNAME:$PASSWORD https://nexus.ozg-sh.de/service/rest/v1/components?repository=ozg-base-apps -F file=@'''+helmChartName+'''-'''+helmChartVersion+'''.tgz''', returnStdout: true
         }
         else {
             result = sh script: '''curl -u $USERNAME:$PASSWORD https://nexus.ozg-sh.de/service/rest/v1/components?repository=ozg-base-apps-snapshot -F file=@'''+helmChartName+'''-'''+helmChartVersion+'''.tgz''', returnStdout: true