Merge pull request #1946 from jupyterhub/dependabot/pip/images/hub/ju…

…pyterhub-kubespawner-0.15.0

hub image: bump jupyterhub-kubespawner from 0.14.1 to 0.15.0 in /images/hub

images/hub/requirements.txt

@@ -26,7 +26,7 @@ jupyterhub-dummyauthenticator==0.3.1  # via -r requirements.in
 jupyterhub-firstuseauthenticator==0.14.1  # via -r requirements.in
 jupyterhub-hmacauthenticator==0.1  # via -r requirements.in
 jupyterhub-idle-culler==1.0  # via -r requirements.in
-jupyterhub-kubespawner==0.14.1  # via -r requirements.in
+jupyterhub-kubespawner==0.15.0  # via -r requirements.in
 jupyterhub-ldapauthenticator==1.3.2  # via -r requirements.in
 jupyterhub-ltiauthenticator==1.0.0  # via -r requirements.in
 jupyterhub-nativeauthenticator==0.0.6  # via -r requirements.in
@@ -61,7 +61,6 @@ pyyaml==5.3.1             # via jupyterhub-kubespawner, kubernetes
 requests-oauthlib==1.3.0  # via kubernetes, mwoauth
 requests==2.25.0          # via jupyterhub, kubernetes, mwoauth, requests-oauthlib
 rsa==4.6                  # via google-auth
-ruamel.yaml.clib==0.2.2   # via ruamel.yaml
 ruamel.yaml==0.16.12      # via jupyter-telemetry
 six==1.15.0               # via bcrypt, cryptography, google-auth, jsonschema, kubernetes, mwoauth, onetimepass, pyopenssl, python-dateutil, websocket-client
 sqlalchemy==1.3.20        # via alembic, jupyterhub