change slack channel

.travis.yml

@@ -29,7 +29,7 @@ notifications:
   email: false
   slack:
     rooms:
-      - secure: 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
+      - secure: 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
     template:
       - "Build status: %{message}"
       - "%{repository}#%{build_number} (%{branch} - %{commit} : %{author}): %{commit_message}"