Add release schedule for 2026 (#4908)

Author: cortinico

website/src/components/releases/_releases-table.md

@@ -1,5 +1,11 @@
 | Version  | Branch-cut Date | Release Date | Support      | Blogpost                                      |
 | -------- | --------------- | ------------ | ------------ | --------------------------------------------- |
+| `0.89.x` | 2026-11-03      | 2026-12-07   | Future       |                                               |
+| `0.88.x` | 2026-09-07      | 2026-10-12   | Future       |                                               |
+| `0.87.x` | 2026-07-06      | 2026-08-10   | Future       |                                               |
+| `0.86.x` | 2026-05-04      | 2026-06-08   | Future       |                                               |
+| `0.85.x` | 2026-03-02      | 2026-04-06   | Future       |                                               |
+| `0.84.x` | 2026-01-05      | 2026-02-09   | Future       |                                               |
 | `0.83.x` | 2025-11-03      | 2025-12-08   | Future       |                                               |
 | `0.82.x` | 2025-09-01      | 2025-10-06   | Active       | [Details](/blog/2025/10/08/react-native-0.82) |
 | `0.81.x` | 2025-07-10      | 2025-08-12   | Active       | [Details](/blog/2025/08/12/react-native-0.81) |