Reenable log publishing (#7076)

Author: ericstj

build/vsts-ci.yml

@@ -239,12 +239,11 @@ extends:
         parameters:
           name: Package
       ################################################################################
-          #disable log upload for now, https://github.com/dotnet/dnceng/issues/2133
-          #artifacts:
-          #  publish:
-          #    artifacts: false
-          #    logs: true
-          #    manifests: true
+          artifacts:
+            publish:
+              artifacts: false
+              logs: true
+              manifests: true
           enableMicrobuild: true
           enablePublishUsingPipelines: true
           enableSourceIndex: true