Update release schedule

Update release schedule with the next releases.

Signed-off-by: Walter Lozano <walter.lozano@collabora.com>

content/release/_index.md

 +++
 date = "2020-10-01"
-lastmod = "2023-12-14"
+lastmod = "2024-03-20"
 weight = 100
 
 title = "Releases"
@@ -10,10 +10,10 @@ This section contains the release notes and schedules for all current and previo
 
 Next planned releases:
 
-|Milestone                                  | 2023.4        | 2024.0        | v2025dev1     |
+|Milestone                                  | 2023.5        | 2024.1        | v2025dev2     |
 |---                                        | ---           | ---           | ---           |
-|Start of Release Cycle                     | 2024-01-01    | 2024-01-01    | 2024-01-01    |
-|Soft Feature Freeze                        | 2024-01-31    | 2024-02-07    | 2024-02-14    |
-|Hard Feature Freeze / Soft Code Freeze     | 2024-02-07    | 2024-02-14    | 2024-02-21    |
-|Release Candidate (RC1) / Hard Code Freeze | 2024-02-14    | 2024-02-21    | 2024-02-28    |
-|Release                                    | 2024-02-29    | 2024-03-07    | 2024-03-14    |
+|Start of Release Cycle                     | 2024-04-01    | 2024-04-01    | 2024-04-01    |
+|Soft Feature Freeze                        | 2024-05-01    | 2024-05-08    | 2024-05-15    |
+|Hard Feature Freeze / Soft Code Freeze     | 2024-05-08    | 2024-05-15    | 2024-05-22    |
+|Release Candidate (RC1) / Hard Code Freeze | 2024-05-15    | 2024-05-22    | 2024-05-29    |
+|Release                                    | 2024-05-30    | 2024-06-06    | 2024-06-13    |