Fix broken links (#17081)

* Fix two broken links

* Update content/education/manage-coursework-with-github-classroom/leave-feedback-with-pull-requests.md

Co-authored-by: Lucas Costi <lucascosti@users.noreply.github.com>

Co-authored-by: Lucas Costi <lucascosti@users.noreply.github.com>

Author: myarb

content/actions/guides/publishing-docker-images.md

@@ -46,7 +46,7 @@ In this guide, we will use the Docker `build-push-action` action to build the Do
 
 In the example workflow below, we use the Docker `build-push-action` action to build the Docker image and, if the build succeeds, push the built image to Docker Hub.
 
-To push to Docker Hub, you will need to have a Docker Hub account, and have a Docker Hub repository created. For more information, see "[Share images on Docker Hub](https://docs.docker.com/get-started/part3/)" in the Docker documentation.
+To push to Docker Hub, you will need to have a Docker Hub account, and have a Docker Hub repository created. For more information, see "[Pushing a Docker container image to Docker Hub](https://docs.docker.com/docker-hub/repos/#pushing-a-docker-container-image-to-docker-hub)" in the Docker documentation.
 
 The `build-push-action` options required for Docker Hub are:
 

content/education/manage-coursework-with-github-classroom/leave-feedback-with-pull-requests.md

@@ -30,4 +30,4 @@ To create and access the feedback pull request, you must enable the feedback pul
 
 ### Further reading
 
-- "[Integrate {% data variables.product.prodname_classroom %} with an IDE](http://localhost:4000/en/free-pro-team@latest/education/manage-coursework-with-github-classroom/integrate-github-classroom-with-an-ide)"
+- "[Integrate {% data variables.product.prodname_classroom %} with an IDE](/education/manage-coursework-with-github-classroom/integrate-github-classroom-with-an-ide)"