Update trigger to comment out 'dev' branch (#1294)

Commented out the 'dev' branch trigger for future staging setup.

Author: MIchaelMainer

azure-pipelines/publishSamples.yml

@@ -10,7 +10,7 @@ trigger:
   branches:
     include:
     - master
-    - dev
+    # - dev add dev back once we have staging setup
   paths:
     include:
     - 'samples-queries/**'