doc: update for v0.20.0

Updated the revision history for doc changes applied earlier.

Signed-off-by: Grzegorz Ferenc <[email protected]>

doc/docs/revision_history.md

@@ -2,6 +2,7 @@
 
 | Date       | Description   |
 |------------|---------------|
+| 2024-03-22 | Updated documentation for the experimental [v0.2.0](https://github.com/NordicSemiconductor/pc-nrfconnect-board-configurator/blob/main/Changelog.md) of the application: Removed revision number next to the nRF9161 DK on the list of supported devices, given the support for the revision v1.0.0. |
 | 2024-03-20 | Updated documentation for the experimental [v0.1.12](https://github.com/NordicSemiconductor/pc-nrfconnect-board-configurator/blob/main/Changelog.md) of the application. |
 | 2024-03-07 | Updated documentation for the experimental [v0.1.9](https://github.com/NordicSemiconductor/pc-nrfconnect-board-configurator/blob/main/Changelog.md) of the application. |
 | 2024-03-05 | Updated documentation for the experimental [v0.1.8](https://github.com/NordicSemiconductor/pc-nrfconnect-board-configurator/blob/main/Changelog.md) of the application. |