Issue #91 - Update Chromium to version 66.0

* Updated the Dockerfile

Author: ppodgorsek

Dockerfile

@@ -13,7 +13,7 @@ ENV SCREEN_HEIGHT 1080
 ENV SCREEN_WIDTH 1920
 
 # Dependency versions
-ENV CHROMIUM_VERSION 65.0.*
+ENV CHROMIUM_VERSION 66.0.*
 ENV FAKER_VERSION 4.2.0
 ENV FIREFOX_VERSION 60.0*
 ENV GECKO_DRIVER_VERSION v0.19.1