Add summary of notable dependencies updated

Author: consideRatio

docs/source/changelog.md

@@ -33,6 +33,28 @@ TODO: include notable dependency changes like in previous major release
 
 [kubespawner's changelog]: https://jupyterhub-kubespawner.readthedocs.io/en/stable/changelog.html
 
+#### Notable dependencies updated
+
+| Dependency                                                                       | Version in 3.3.8 | Version in 4.0.0-beta.1 | Changelog link                                                                            | Note                               |
+| -------------------------------------------------------------------------------- | ---------------- | ----------------------- | ----------------------------------------------------------------------------------------- | ---------------------------------- |
+| [jupyterhub](https://github.com/jupyterhub/jupyterhub)                           | 4.1.6            | 5.1.0                   | [Changelog](https://jupyterhub.readthedocs.io/en/stable/reference/changelog.html)         | Run in the `hub` pod               |
+| [kubespawner](https://github.com/jupyterhub/kubespawner)                         | 6.2.0            | 7.0.0b1                 | [Changelog](https://jupyterhub-kubespawner.readthedocs.io/en/stable/changelog.html)       | Run in the `hub` pod               |
+| [oauthenticator](https://github.com/jupyterhub/oauthenticator)                   | 16.3.1           | 17.0.0                  | [Changelog](https://oauthenticator.readthedocs.io/en/stable/reference/changelog.html)     | Run in the `hub` pod               |
+| [ldapauthenticator](https://github.com/jupyterhub/ldapauthenticator)             | 1.3.2            | 2.0.0b2                 | [Changelog](https://github.com/jupyterhub/ldapauthenticator/blob/HEAD/CHANGELOG.md)       | Run in the `hub` pod               |
+| [ltiauthenticator](https://github.com/jupyterhub/ltiauthenticator)               | 1.6.2            | 1.6.2                   | [Changelog](https://github.com/jupyterhub/ltiauthenticator/blob/HEAD/CHANGELOG.md)        | Run in the `hub` pod               |
+| [nativeauthenticator](https://github.com/jupyterhub/nativeauthenticator)         | 1.2.0            | 1.3.0                   | [Changelog](https://github.com/jupyterhub/nativeauthenticator/blob/HEAD/CHANGELOG.md)     | Run in the `hub` pod               |
+| [tmpauthenticator](https://github.com/jupyterhub/tmpauthenticator)               | 1.0.0            | 1.0.0                   | [Changelog](https://github.com/jupyterhub/tmpauthenticator/blob/HEAD/CHANGELOG.md)        | Run in the `hub` pod               |
+| [jupyterhub-idle-culler](https://github.com/jupyterhub/jupyterhub-idle-culler)   | 1.3.1            | 1.4.0                   | [Changelog](https://github.com/jupyterhub/jupyterhub-idle-culler/blob/main/CHANGELOG.md)  | Run in the `hub` pod               |
+| [configurable-http-proxy](https://github.com/jupyterhub/configurable-http-proxy) | 4.6.1            | 4.6.2                   | [Changelog](https://github.com/jupyterhub/configurable-http-proxy/blob/HEAD/CHANGELOG.md) | Run in the `proxy` pod             |
+| [traefik](https://github.com/traefik/traefik)                                    | v2.11.0          | v3.1.4                  | [Changelog](https://github.com/traefik/traefik/blob/HEAD/CHANGELOG.md)                    | Run in the `autohttps` pod         |
+| [kube-scheduler](https://github.com/kubernetes/kube-scheduler)                   | v1.26.15         | v1.30.5                 | [Changelog](https://github.com/kubernetes/kubernetes/tree/master/CHANGELOG)               | Run in the `user-scheduler` pod(s) |
+
+For a detailed list of Python dependencies in the `hub` Pod's Docker image,
+inspect the [images/hub/requirements.txt] file and use its git history to see
+what changes between tagged versions.
+
+[images/hub/requirements.txt]: https://github.com/jupyterhub/zero-to-jupyterhub-k8s/blob/HEAD/images/hub/requirements.txt
+
 #### New features added
 
 - Add `ingress.extraPaths` config [#3492](https://github.com/jupyterhub/zero-to-jupyterhub-k8s/pull/3492) ([@alxyok](https://github.com/alxyok), [@consideRatio](https://github.com/consideRatio), [@manics](https://github.com/manics))