Added encrypted ssh key for semrel

.travis.yml

@@ -7,6 +7,18 @@ node_js:
 # Cache dependencies in $HOME/.yarn-cache across builds
 cache: yarn
 
+before_install:
+  - openssl aes-256-cbc -K "${encrypted_ba12a3340263_key}" -iv "${encrypted_ba12a3340263_iv}" -in git_deploy_key.enc -out /tmp/git_deploy_key -d 
+  # Make sure only the current user can read the private key
+  - chmod 600 /tmp/git_deploy_key
+  # Create a script to return the passphrase environment variable to ssh-add
+  - echo 'echo ${SSH_PASSPHRASE}' > /tmp/askpass && chmod +x /tmp/askpass
+  # Start the authentication agent
+  - eval "$(ssh-agent -s)"
+  # Add the key to the authentication agent
+  - DISPLAY=":0.0" SSH_ASKPASS="/tmp/askpass" setsid ssh-add /tmp/git_deploy_key </dev/null
+
+
 # Run the the validate script
 # Temporarily also run the build script to make sure it works
 # (will move this to the release step once that's implemented)