ci: Only release on stable node version

lpatino10 · lpatino10 · commit 4aa9a81f9a09 · 2018-06-29T11:52:40.000-04:00
diff --git a/.travis.yml b/.travis.yml
@@ -20,4 +20,6 @@ after_success:
 deploy:
 - provider: script
   skip_cleanup: true
-  script: npx travis-deploy-once "npx semantic-release"
+  script: npx travis-deploy-once "npx semantic-release"
+  on:
+    node: stable
