fix expiry date for Chrome Origin-Trial token

scripts/default.env

 # This origin trial token is used to enable WebVR and Gamepad Extensions on Chrome 62+
 # You can find more information about getting your own origin trial token here: https://github.com/GoogleChrome/OriginTrials/blob/gh-pages/developer-guide.md
 ORIGIN_TRIAL_TOKEN="AgN/JtqSF6qpD3OZk8KgM5/UYqUUrwc166cOQSRCqvU+TIpHWdiwBUWH5V1K/jJkdtBrO4Q5I0XSGm16uB/Y4QQAAABVeyJvcmlnaW4iOiJodHRwczovL2h1YnMubW96aWxsYS5jb206NDQzIiwiZmVhdHVyZSI6IldlYlZSMS4xTTYyIiwiZXhwaXJ5IjoxNTI4MjQ1ODI1fQ=="
-ORIGIN_TRIAL_EXPIRES="2018-05-15"
+ORIGIN_TRIAL_EXPIRES="2018-06-05"
 JANUS_SERVER="wss://prod-janus.reticulum.io"
 DEV_RETICULUM_SERVER="dev.reticulum.io"
 ASSET_BUNDLE_SERVER="https://asset-bundles-prod.reticulum.io"