Fail runner when update manifest fails (#3990)

Otherwise the update manifest job gets stuck.

engine/runner/src/main/scala/org/enso/runner/Main.scala

@@ -1031,7 +1031,13 @@ object Main {
             exitFail()
           }
 
+      try {
         ProjectUploader.updateManifest(projectRoot, logLevel)
+      } catch {
+        case NonFatal(err) =>
+          err.printStackTrace()
+          exitFail()
+      }
       exitSuccess()
     }