binderhub image: refreeze requirements.txt

Author: jupyterhub-bot

helm-chart/images/binderhub/requirements.txt

@@ -164,7 +164,7 @@ six==1.16.0
     #   google-auth
     #   kubernetes
     #   python-dateutil
-sqlalchemy==2.0.15
+sqlalchemy==2.0.16
     # via
     #   alembic
     #   jupyterhub
@@ -187,7 +187,7 @@ urllib3==1.26.16
     #   google-auth
     #   kubernetes
     #   requests
-websocket-client==1.5.2
+websocket-client==1.5.3
     # via
     #   docker
     #   kubernetes