Bump oauthenticator from 16.3.0 to 16.3.1 in /images/hub

Bumps [oauthenticator](https://github.com/jupyterhub/oauthenticator) from 16.3.0 to 16.3.1.
- [Changelog](https://github.com/jupyterhub/oauthenticator/blob/main/RELEASE.md)
- [Commits](jupyterhub/oauthenticator@16.3.0...16.3.1)

---
updated-dependencies:
- dependency-name: oauthenticator
  dependency-type: direct:production
...

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]

images/hub/requirements.txt

@@ -65,7 +65,7 @@ jinja2==3.1.4
     #   jupyterhub-kubespawner
 jsonpointer==3.0.0
     # via jsonschema
-jsonschema==4.23.0
+jsonschema[format-nongpl]==4.23.0
     # via
     #   jupyter-events
     #   oauthenticator
@@ -117,7 +117,7 @@ mwoauth==0.4.0
     # via -r requirements.in
 nullauthenticator==1.0.0
     # via -r requirements.in
-oauthenticator==16.3.0
+oauthenticator==16.3.1
     # via -r requirements.in
 oauthlib==3.2.2
     # via
@@ -147,7 +147,7 @@ pydantic==2.9.2
     # via jupyterhub
 pydantic-core==2.23.4
     # via pydantic
-pyjwt==2.9.0
+pyjwt[crypto]==2.9.0
     # via
     #   -r requirements.in
     #   jupyterhub-ltiauthenticator