Update dependency pulumi-aws to v4

Author: renovate-bot

Pipfile

@@ -7,7 +7,7 @@ verify_ssl = true
 
 [packages]
 pulumi = "==2.25.2"
-pulumi-aws = "==3.31.0"
+pulumi-aws = "==4.2.0"
 ansible = "==3.3.0"
 awscli = "==1.19.19"
 testinfra = "==5.3.1"

requirements.txt

@@ -1,4 +1,4 @@
 # this file isn't maintained anymore, since this project uses pipenv now
 # have a look at Pipfile for current versions!
 pulumi==2.25.2
-pulumi-aws==1.31.0
+pulumi-aws==4.2.0