Update the deploy script

Author: mdmintz

.travis.yml

@@ -1,13 +1,13 @@
 language: python
 sudo: false
-dist: trusty
+dist: xenial
 matrix:
   include:
     - python: 2.7
     - python: 3.6
 addons:
   firefox: "62.0.3"
-  chrome: beta
+  chrome: stable
 before_install:
   - "sudo mysql -e 'CREATE DATABASE IF NOT EXISTS test_db;'"
   - "sudo mysql -h 127.0.0.1 -u root test_db < seleniumbase/core/create_db_tables.sql"