Use GitHub noreply email for Git commits in Travis

Author: kevinbader

.travis.yml

@@ -54,14 +54,14 @@ jobs:
         yarn: true
       script:
         - git config --global user.name "${GH_NAME}"
-        - git config --global user.email "${GH_EMAIL}"
+        - git config --global user.email "${GH_NAME}@users.noreply.github.com"
         - echo "machine github.com login ${GH_NAME} password ${GH_TOKEN}" > ~/.netrc
         - cd website && yarn install && GIT_USER="${GH_NAME}" yarn run publish-gh-pages
     - stage: restore-helm-repo-index
       language: minimal
       script:
         - git config --global user.name "${GH_NAME}"
-        - git config --global user.email "${GH_EMAIL}"
+        - git config --global user.email "${GH_NAME}@users.noreply.github.com"
         - echo "machine github.com login ${GH_NAME} password ${GH_TOKEN}" > ~/.netrc
         - git fetch --unshallow
         - git config remote.origin.fetch "+refs/heads/*:refs/remotes/origin/*"
@@ -75,6 +75,6 @@ jobs:
       <<: *elixir-env
       script:
         - git config --global user.name "${GH_NAME}"
-        - git config --global user.email "${GH_EMAIL}"
+        - git config --global user.email "${GH_NAME}@users.noreply.github.com"
         - echo "machine github.com login ${GH_NAME} password ${GH_TOKEN}" > ~/.netrc
         - GIT_USER="${GH_NAME}" mix publish_gh_pages