Merge pull request #3439 from jupyterhub/dependabot/pip/pyyaml-6.0.3

Bump pyyaml from 6.0.2 to 6.0.3

Author: manics

requirements.txt

@@ -62,7 +62,7 @@ pytest-xdist==3.8.0
     # via -r requirements.in
 python-dateutil==2.9.0.post0
     # via kubernetes
-pyyaml==6.0.2
+pyyaml==6.0.3
     # via
     #   -r requirements.in
     #   kubernetes