Refresh github token to publish release

Author: zhaoqin-github

.travis.yml

@@ -36,8 +36,7 @@ after_success:
 before_deploy: PKG_VERSION=$(python -c "import f5; print(f5.__version__)")
 deploy:
   - provider: releases
-    api_key:
-      secure: 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
+    api_key: ${GITHUB_TOKEN}
     file:
       - ${PKG_RELEASE_EL7}
       - ${PKG_RELEASE_EL7}.md5