OZG-4797 Jenkinsfile fix typo for hotfix release

Jenkinsfile

@@ -36,7 +36,7 @@ pipeline {
                     def xtaAdapterVersion = getParentPomVersion('xta-adapter/pom.xml')
                     def enterpriseAdapterVersion = getParentPomVersion('enterprise-adapter/pom.xml')
 
-                    if(env.BRANCH_NAME == 'release' || env.BRANCH_NAME == 'release-2.0.1')
+                    if(env.BRANCH_NAME == 'release' || env.BRANCH_NAME == 'release-2.0.1') {
                         if ( !isReleaseVersion([rootVersion, vorgangManagerVersion, commonVersion, routerVersion, ifAdapterVersion, fsAdapterVersion, formCycleAdapterVersion, xtaAdapterVersion, enterpriseAdapterVersion])) {
                             error("Keine Release Version für Branch ${env.BRANCH_NAME}.")
                         }