Bump versions to v3.0.0 (#5141)

* Refs #21366: Update versions.md

Signed-off-by: Mario Dominguez <mariodominguez@eprosima.com>

* Refs #21366: Remove 3.0.0 warning

Signed-off-by: Mario Dominguez <mariodominguez@eprosima.com>

---------

Signed-off-by: Mario Dominguez <mariodominguez@eprosima.com>

README.md

@@ -37,11 +37,6 @@
 
 <br><br>
 
-<!-- TODO(eduponz): Remove this before releasing v3.0.0 -->
-> [!WARNING]
-> **In preparation for v3.0.0, Fast DDS' master branch is undergoing major changes entailing API breaks.**
-> **Until Fast DDS v3.0.0 is released, it is strongly advisable to use the latest stable branch, [2.14.x](https://github.com/eProsima/Fast-DDS/tree/2.14.x)**.
-
 *eprosima Fast DDS* is a C++ implementation of the DDS (Data Distribution Service) standard of the OMG (Object Management Group).
 eProsima Fast DDS implements the RTPS (Real Time Publish Subscribe) protocol, which provides publisher-subscriber communications over unreliable transports such as UDP, as defined and maintained by the Object Management Group (OMG) consortium.
 RTPS is also the wire interoperability protocol defined for the Data Distribution Service (DDS) standard.

versions.md

@@ -1,6 +1,11 @@
 Forthcoming
 -----------
 
+
+
+Version v3.0.0
+--------------
+
 * Rename project to `fastdds`.
 * Rename environment variable to `FASTDDS_DEFAULT_PROFILES_FILE` and rename default XML profiles file to `FASTDDS_DEFAULT_PROFILES`.
 * Remove API marked as deprecated.