Also have to call sign

Author: akarnokd

build.gradle

@@ -205,6 +205,7 @@ if (project.hasProperty("releaseMode")) {
     signing {
       if (project.hasProperty("SIGNING_PRIVATE_KEY") && project.hasProperty("SIGNING_PASSWORD")) {
          useInMemoryPgpKeys(project.getProperty("SIGNING_PRIVATE_KEY"), project.getProperty("SIGNING_PASSWORD"))
+         sign(publishing.publications)
       }
     }
   }