Update boto3 requirement from ~=1.16.42 to ~=1.16.47 (#694)

dependabot[bot] · web-flow · commit c42b7e5044b4 · 2021-01-04T13:57:55.000+01:00
diff --git a/requirements/requirements.txt b/requirements/requirements.txt
@@ -1,4 +1,4 @@
-boto3~=1.16.42
+boto3~=1.16.47
 cryptography==3.3.1
 marshmallow==3.10.0
 packaging==20.8
