using ns slack orb for testing

ns-bdesimone · ns-bdesimone · commit eca0aa178531 · 2020-01-28T15:47:33.000-06:00
diff --git a/src/@orb.yml b/src/@orb.yml
@@ -8,4 +8,4 @@ display:
 
 orbs:
   aws-cli: circleci/aws-cli@0.1.19
-  slack: circleci/slack@3.4.1
+  slack: narrativescience/slack@0.1.0
