Update boto3 requirement from ~=1.9.204 to ~=1.9.205 (#37)

dependabot-preview[bot] · xen0l · commit aa570eb1cbac · 2019-08-11T15:39:51.000+02:00
diff --git a/requirements/requirements.txt b/requirements/requirements.txt
@@ -1,4 +1,4 @@
-boto3~=1.9.204
+boto3~=1.9.205
 marshmallow==2.19.5
 PyYAML==5.1.2
 requests==2.22.0
