chore(cleanup): broken link in README (#130)

* fix: broken link in README

* 🦉 Updates from OwlBot

See https://github.com/googleapis/repo-automation-bots/blob/main/packages/owl-bot/README.md

Co-authored-by: Owl Bot <gcf-owl-bot[bot]@users.noreply.github.com>

packages/google-cloud-video-transcoder/README.rst

@@ -72,13 +72,14 @@ Windows
 Next Steps
 ~~~~~~~~~~
 
--  See the [Samples](./samples/snippets/README.md).
+-  See the `Samples`_.
 -  Read the `Client Library Documentation`_ for Cloud Transcoder API
    API to see other available methods on the client.
 -  Read the `Transcoder API Product documentation`_ to learn
    more about the product and see How-to Guides.
 -  View this `README`_ to see the full list of Cloud
    APIs that we cover.
 
+.. _Samples: https://github.com/googleapis/python-video-transcoder/blob/main/samples/snippets/README.md
 .. _Transcoder API Product documentation:  https://cloud.google.com/transcoder/docs
-.. _README: https://github.com/googleapis/google-cloud-python/blob/main/README.rst
+.. _README: https://github.com/googleapis/google-cloud-python/blob/main/README.rst