iox-#1533 Update release notes and docs

doc/design/diagrams/iceoryx_components_diagram_v3_0_0.puml

@@ -24,7 +24,6 @@ skinparam frame {
 ' @todo #539
 ' RouDi split, separate files and namespaces for static/dynamic discovery
 ' Implement exported libraries (add_library in iceoryx_posh/CMakeLists.txt)
-' RouDiEnvironment shall not be in roudi namespace, but in testing
 
 header Eclipse iceoryx component overview
 

doc/website/release-notes/iceoryx-unreleased.md

@@ -154,6 +154,7 @@
 - Better align `iox::expected` with `std::expected` [\#1969](https://github.com/eclipse-iceoryx/iceoryx/issues/1969)
 - Use logger for "RouDi is ready for clients" message [\#1994](https://github.com/eclipse-iceoryx/iceoryx/issues/1994)
 - Speed up posh tests [#1030](https://github.com/eclipse-iceoryx/iceoryx/issues/1030)
+- Roudi Environment independent from Googletest [#1533](https://github.com/eclipse-iceoryx/iceoryx/issues/1533)
 
 **Workflow:**
 
@@ -1175,3 +1176,33 @@
     };
 
     ```
+
+53. `iox::roudi::RouDiEnvironment` is moved to `iox::roudi_env::RouDiEnv` and in a separate library
+
+    There is still an alias on the old location with a deprecation warning. The API also changed a bit.
+    ```cpp
+    // before
+    #include "iceoryx_posh/testing/roudi_environment/roudi_environment.hpp"
+    iox::roudi::RouDiEnvironment roudiEnv{/*config*/};
+
+    // after
+    #include "iceoryx_posh/roudi_env/roudi_environment.hpp"
+    iox::roudi_enf::RouDiEnv roudiEnv{/*config*/};
+
+
+    // before
+    roudiEnv.InterOpWait();
+
+    // after
+    roudiEnv.triggerDiscoveryLoopAndWaitToFinish();
+
+
+    // before
+    SetInterOpWaitingTime(/*chrono*/);
+
+    // after
+    setDiscoveryLoopWaitToFinishTimeout(/*units::Duration*/);
+
+    ```
+
+    It is now also possible to directly link to `iceoryx_posh::iceoryx_posh_roudi_env` which has no dependency to gTest.