Issue #112 - Upgrade Chromium to version 69.0

* Updated the Dockerfile

Author: ppodgorsek

Dockerfile

@@ -17,7 +17,7 @@ ENV SCREEN_WIDTH 1920
 ENV ROBOT_THREADS 1
 
 # Dependency versions
-ENV CHROMIUM_VERSION 68.0.*
+ENV CHROMIUM_VERSION 69.0.*
 ENV FAKER_VERSION 4.2.0
 ENV FIREFOX_VERSION 62.0*
 ENV GECKO_DRIVER_VERSION v0.19.1