Merge pull request #3062 from jupyterhub/update-image-requirements

hub image: refreeze requirements.txt

Author: consideRatio

images/hub/requirements.txt

@@ -167,7 +167,7 @@ six==1.16.0
     #   mwoauth
     #   onetimepass
     #   python-dateutil
-sqlalchemy==2.0.6
+sqlalchemy==2.0.7
     # via
     #   alembic
     #   jupyterhub

images/singleuser-sample/requirements.txt

@@ -110,7 +110,7 @@ jupyter-client==8.0.3
     #   nbclassic
     #   nbclient
     #   notebook
-jupyter-core==5.2.0
+jupyter-core==5.3.0
     # via
     #   ipykernel
     #   jupyter-client
@@ -125,7 +125,7 @@ jupyter-events==0.6.3
     # via
     #   jupyter-server
     #   jupyter-server-fileid
-jupyter-server==2.4.0
+jupyter-server==2.5.0
     # via
     #   jupyter-server-fileid
     #   jupyterlab
@@ -293,7 +293,7 @@ sniffio==1.3.0
     # via anyio
 soupsieve==2.4
     # via beautifulsoup4
-sqlalchemy==2.0.6
+sqlalchemy==2.0.7
     # via
     #   alembic
     #   jupyterhub