Updated Release schedule (markdown)

Release-schedule.md

@@ -12,7 +12,6 @@ Here are planned future releases and currently-supported Wagtail versions. View
 | 6.5\*          | 1 May 2025             | 4 August 2025       | 3 November 2025     |
 | 6.4            | 3 February 2025        | 1 May 2025          | 1 August 2025       |
 | **6.3 LTS**    | **1 November 2024**    | **1 May 2026**      | **1 May 2026**      |
-| 6.2            | 1 August 2024          | 1 November 2024     | 1 February 2025     |
 | **5.2 LTS**    | **1 November 2023**    | **1 May 2025**      | **1 May 2025**      |
 
 \*: Future version numbers are provisional. These may receive a major version number increment, depending on the extent of backwards-incompatible changes and significant UI differences.
@@ -23,6 +22,7 @@ All of Wagtail’s major and minor releases to date, in support and out of suppo
 
 | Version        | Release date           | Active support      | Security support    |
 | -------------- |-----------------------:| -------------------:| -------------------:|
+| 6.4            | 3 February 2025        | 1 May 2025          | 1 August 2025       |
 | **6.3 LTS**    | **1 November 2024**    | **1 May 2026**      | **1 May 2026**      |
 | 6.2            | 1 August 2024          | 1 November 2024     | 1 February 2025     |
 | 6.1            | 1 May 2024             | 1 August 2024       | 1 November 2024     |