documentation: modify the link to the docker.txt listing all images (#61838) (#61851)

The file was moved.

(cherry picked from commit aadb192846)

docs/docsite/rst/dev_guide/testing_integration.rst

@@ -43,7 +43,7 @@ outside of those test subdirectories.  They will also not reconfigure or bounce
 
 .. note:: Running integration tests within Docker
 
-   To protect your system from any potential changes caused by integration tests, and to ensure the a sensible set of dependencies are available we recommend that you always run integration tests with the ``--docker`` option. See the `list of supported docker images <https://github.com/ansible/ansible/blob/devel/test/runner/completion/docker.txt>`_ for options.
+   To protect your system from any potential changes caused by integration tests, and to ensure a sensible set of dependencies are available we recommend that you always run integration tests with the ``--docker`` option. See the `list of supported docker images <https://github.com/ansible/ansible/blob/devel/test/lib/ansible_test/_data/completion/docker.txt>`_ for options.
 
 .. note:: Avoiding pulling new Docker images