docs: wrong link to getting started (#22991)

Author: manuel-404

Diff for: systemtests/README.md

@@ -29,7 +29,7 @@ Therefore, we focus on the **critical path** and do not cover every condition.
 
 ## How to use
 
-Read the [getting_started.md](../tests/systemtests/getting_started.md) guide to get started.
+Read the [getting_started.md](../systemtests/getting_started.md) guide to get started.
 
 ### Execute a single test