Update pyyaml requirement from <5.5,>=5.1 to >=5.1,<6.1 (#1167)

dependabot[bot] · web-flow · commit f7ab48b4f19d · 2022-01-03T16:22:43.000+01:00
diff --git a/requirements/requirements.txt b/requirements/requirements.txt
@@ -2,7 +2,7 @@ boto3~=1.20.26
 cryptography==3.3.2
 marshmallow==3.14.1
 packaging==20.9
-PyYAML>=5.1,<5.5
+PyYAML>=5.1,<6.1
 requests==2.26.0
 unix-ar==0.2.1
 wrapt==1.13.3
