Corrected second "Next Steps" link

It looks like the second link in "Next Steps" is a duplicate.  This correctly redirects readers to documentation for another private container registry.  This resolves https://github.com/MicrosoftDocs/azure-docs/issues/93591.

Author: kobulloc-MSFT

articles/container-registry/container-registry-tasks-base-images.md

@@ -67,7 +67,7 @@ See the following tutorials for scenarios to automate application image builds a
 
 * [Automate container image builds when a base image is updated in the same registry](container-registry-tutorial-base-image-update.md)
 
-* [Automate container image builds when a base image is updated in a different registry](container-registry-tutorial-base-image-update.md)
+* [Automate container image builds when a base image is updated in a different registry](container-registry-tutorial-private-base-image-update.md)
 
 
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