[Docs] Fix links and tidy config (#25184)

* Fix links and tidy config

* Add updated lock files

docs/en/getting_started/px4_basic_concepts.md

@@ -65,7 +65,7 @@ Some of PX4's key features are:
 - Robust and deep integration with [companion computers](#offboard-companion-computer) and [robotics APIs](../robotics/index.md) such as [ROS 2](../ros2/user_guide.md) and [MAVSDK](https://mavsdk.mavlink.io/main/en/index.html).
 
 PX4 is a core part of a broader drone platform that includes the [QGroundControl](#qgc) ground station, [Pixhawk hardware](https://pixhawk.org/), and [MAVSDK](https://mavsdk.mavlink.io/main/en/index.html) for integration with companion computers, cameras and other hardware using the MAVLink protocol.
-PX4 is supported by the [Dronecode Project](https://www.dronecode.org/).
+PX4 is supported by the [Dronecode Project](https://dronecode.org/).
 
 ## Ground Control Stations
 
@@ -76,7 +76,7 @@ A subset of the products that are known to work with PX4 are listed below.
 
 The Dronecode GCS software is called [QGroundControl](https://qgroundcontrol.com/) ("QGC").
 It runs on Windows, Android, MacOS or Linux hardware, and supports a wide range of screen form factors.
-You can download it (for free) from [here](https://qgroundcontrol.com/downloads/).
+You can download it (for free) from [here](https://docs.qgroundcontrol.com/master/en/qgc-user-guide/getting_started/download_and_install.html).
 
 ![QGC Main Screen](../../assets/concepts/qgc_fly_view.png)