Fix bug that caused git push to fail

Author: zephraph

scripts/deploy.sh

@@ -3,6 +3,7 @@ if [ ! -z "$TRAVIS_BRANCH" ] && [ "$TRAVIS_BRANCH" == "master" ]; then
   git config --local user.email "${GIT_EMAIL}"
   git remote rm origin
   git remote add origin https://${GH_USER}:${GH_TOKEN}@github.com/relay-tools/relay-compiler-language-typescript.git
+  git branch --set-upstream-to origin/master
 
   npx auto shipit $AUTO_OPTS
 else