Set env vars for package step too

vars/packageStage.groovy

@@ -35,6 +35,8 @@ void call(Map config = [:], Closure body = { }) {
             fi
         """
         archiveArtifacts artifacts: archiveName, followSymlinks: false
+        withEnv(["TAG=${runConfig.tag}", "HASH=${runConfig.hash}", "VERSION=${runConfig.version}"]) {
             body()
         }
     }
+}