Bump packaging from 20.4 to 20.7 (#648)

dependabot[bot] · web-flow · commit a29043c00289 · 2020-12-08T13:44:05.000+01:00
diff --git a/requirements/requirements.txt b/requirements/requirements.txt
@@ -1,7 +1,7 @@
 boto3~=1.16.25
 cryptography==3.2.1
 marshmallow==3.9.1
-packaging==20.4
+packaging==20.7
 PyYAML>=5.1,<5.4
 requests==2.25.0
 unix-ar==0.2.1
