add the release v1.13 timeline

Signed-off-by: Pratik Mahalle <[email protected]>

Author: pratik-mahalle

docs/release/releases/release-1.13.md

@@ -0,0 +1,39 @@
+# Cluster API v1.13
+
+## Timeline
+
+The following table shows the preliminary dates for the `v1.13` release cycle.
+
+| **What**                                             | **Who**      | **When**                    | **Week** |
+|------------------------------------------------------|--------------|-----------------------------|----------|
+| Start of Release Cycle                               | Release Lead | Monday 5th January 2026     | week 1   |
+| Schedule finalized                                   | Release Lead | Friday 9th January 2026     | week 1   |
+| Team finalized                                       | Release Lead | Friday 9th January 2026     | week 1   |
+| *v1.11.x & v1.12.x released*                         | Release Lead | Tuesday 20th January 2026   | week 3   |
+| *v1.11.x & v1.12.x released*                         | Release Lead | Tuesday 17th February 2026  | week 7   |
+| *v1.11.x & v1.12.x released*                         | Release Lead | Tuesday 17th March 2026     | week 11  |
+| v1.13.0-beta.0 released                              | Release Lead | Tuesday 17th March 2026     | week 11  |
+| Communicate beta to providers                        | Comms Lead   | Tuesday 17th March 2026     | week 11  |
+| Communicate upcoming code freeze to the community    | Comms Lead   | Tuesday 17th March 2026     | week 11  |
+| KubeCon idle week                                    | ---          | ---                         | week 12  |
+| v1.13.0-beta.1 released                              | Release Lead | Tuesday 31st March 2026     | week 13  |
+| release-1.13 branch created (**Begin Code Freeze**)  | Release Lead | Tuesday 7th April 2026      | week 14  |
+| v1.13.0-rc.0 released                                | Release Lead | Tuesday 7th April 2026      | week 14  |
+| release-1.13 jobs created                            | Release Lead | Tuesday 7th April 2026      | week 14  |
+| v1.13.0-rc.1 released                                | Release Lead | Tuesday 14th April 2026     | week 15  |
+| **v1.13.0 released**                                 | Release Lead | Tuesday 21st April 2026     | week 16  |
+| *v1.11.x & v1.12.x released*                         | Release Lead | Tuesday 21st April 2026     | week 16  |
+| Organize release retrospective                       | Release Lead | TBC                         | week 16  |
+| *v1.13.1 released (tentative)*                       | Release Lead | Tuesday 28th April 2026     |          |
+
+After CAPI v1.13.0, the .1 release will follow up to add support for Kubernetes 1.36.0 when it becomes available. After .1, we expect to do monthly patch releases (more details will be provided in the 1.14 release schedule).
+
+## Release team
+
+| **Role**                                  | **Lead** (**GitHub / Slack ID**) | **Team member(s) (GitHub / Slack ID)** |
+|-------------------------------------------|----------------------------------|----------------------------------------|
+| Release Lead                              | TBD                              |                                        |
+| Communications/Docs/Release Notes Manager | TBD                              |                                        |
+| CI Signal/Bug Triage/Automation Manager   | TBD                              |                                        |
+| Emeritus Advisor                          | TBD                              |                                        |
+