Bump pip-tools to v7 used by ci/refreeze script updating requirements.txt files

The changes in flags are to respect deprecation notices in
https://github.com/jazzband/pip-tools?tab=readme-ov-file#deprecations.

Author: consideRatio

ci/refreeze

@@ -14,6 +14,6 @@ for img in ${IMAGES}; do
         --workdir=/io \
         --user=root \
         python:3.11-bullseye \
-        sh -c 'pip install pip-tools==6.* && pip-compile --resolver=backtracking --upgrade'
+        sh -c 'pip install pip-tools==7.* && pip-compile --allow-unsafe --strip-extras --upgrade'
     popd
 done

images/hub/requirements.txt

@@ -63,7 +63,7 @@ jinja2==3.1.4
     #   jupyterhub-kubespawner
 jsonpointer==3.0.0
     # via jsonschema
-jsonschema[format-nongpl]==4.23.0
+jsonschema==4.23.0
     # via
     #   jupyter-events
     #   oauthenticator
@@ -145,7 +145,7 @@ pydantic==2.8.2
     # via jupyterhub
 pydantic-core==2.20.1
     # via pydantic
-pyjwt[crypto]==2.8.0
+pyjwt==2.8.0
     # via
     #   -r requirements.in
     #   jupyterhub-ltiauthenticator

images/singleuser-sample/requirements.txt

@@ -99,9 +99,8 @@ json5==0.9.25
     # via jupyterlab-server
 jsonpointer==3.0.0
     # via jsonschema
-jsonschema[format-nongpl]==4.23.0
+jsonschema==4.23.0
     # via
-    #   jsonschema
     #   jupyter-events
     #   jupyterlab-server
     #   nbformat
@@ -336,4 +335,5 @@ websocket-client==1.8.0
     # via jupyter-server
 
 # The following packages are considered to be unsafe in a requirements file:
-# setuptools
+setuptools==70.3.0
+    # via jupyterlab