feat: modify doc

Author: umihico

README.md

@@ -5,10 +5,9 @@ This is minimum demo of headless chrome and selenium on container image on AWS L
 This image goes with these versions.
 
 - Python 3.9
-- serverless-chrome v1.0.0-55
-  - chromium 69.0.3497.81 (stable channel) for amazonlinux:2017.03
-- chromedriver 2.43
-- selenium 3.141.0 (latest)
+- chromium 89.0.4389.47
+- chromedriver 89.0.4389.23
+- selenium 4.0.0
 
 ### Running the demo