fix(build): Declare the secure GITHUB_TOKEN_ANGULAR for package publishing from Travis

.travis.yml

@@ -34,6 +34,9 @@ env:
 #    - LOGS_DIR=/tmp/angular-build/logs
 #    - ARCH=linux-x64
 
+    # GITHUB_TOKEN_ANGULAR
+    # This is needed for the e2e Travis matrix task to publish packages to github for continuous packages delivery.
+    - secure: "fq/U7VDMWO8O8SnAQkdbkoSe2X92PVqg4d044HmRYVmcf6YbO48+xeGJ8yOk0pCBwl3ISO4Q2ot0x546kxfiYBuHkZetlngZxZCtQiFT9kyId8ZKcYdXaIW9OVdw3Gh3tQyUwDucfkVhqcs52D6NZjyE2aWZ4/d1V4kWRO/LMgo="
   matrix:
     # Order: a slower build first, so that we don't occupy an idle travis worker waiting for others to complete.
    - CI_MODE=js