[DOCS] EE guide: fix a ref to Get started with EE (#14587)

docs/docsite/rst/userguide/execution_environments.rst

@@ -16,7 +16,7 @@ Execution Environments
 Building an Execution Environment
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-The `Getting started with Execution Environments guide` will give you a brief technology overview and show you how to build and test your first |ee| in a few easy steps.
+The `Getting started with Execution Environments guide <https://ansible.readthedocs.io/en/latest/getting_started_ee/index.html>`_ will give you a brief technology overview and show you how to build and test your first |ee| in a few easy steps.
 
 Use an execution environment in jobs
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