Bump requirements

Signed-off-by: Philippe Ombredanne <pombredanne@nexb.com>

Author: pombredanne

requirements.txt

@@ -12,12 +12,12 @@ pluggy==0.13.1
 py==1.10.0
 pyparsing==2.4.7
 pytest==6.2.1
-PyYAML==5.3.1
+PyYAML==5.4.1
 requests==2.25.1
 saneyaml==0.4
 setuptools==51.3.3
 toml==0.10.2
 typing-extensions==3.7.4.3
-urllib3==1.26.2
+urllib3==1.26.4
 wheel==0.36.2
 zipp==3.4.0