Merge pull request #6733 from RainbowMango/pr_update_compatibility_115

Update Kubernetes compatibility: add v1.15 and remove v1.12

Author: karmada-bot

README.md

@@ -191,12 +191,12 @@ please refer to the [Kubernetes Compatibility](https://karmada.io/docs/administr
 
 The following table shows the compatibility test results against the latest 10 Kubernetes versions:
 
-|                       | Kubernetes 1.33 | Kubernetes 1.32 | Kubernetes 1.31 | Kubernetes 1.30 | Kubernetes 1.29 | Kubernetes 1.28 | Kubernetes 1.27 | Kubernetes 1.26 | Kubernetes 1.25 | Kubernetes 1.24 | Kubernetes 1.23 |
-|-----------------------|-----------------|-----------------|-----------------|-----------------|-----------------|-----------------|-----------------|-----------------|-----------------|-----------------|-----------------|
-| Karmada v1.12         |                 |                 | ✓               | ✓               | ✓               | ✓               | ✓               | ✓               | ✓               | ✓               | ✓               |
-| Karmada v1.13         |                 |                 | ✓               | ✓               | ✓               | ✓               | ✓               | ✓               | ✓               | ✓               | ✓               |
-| Karmada v1.14         |                 | ✓               | ✓               | ✓               | ✓               | ✓               | ✓               | ✓               | ✓               | ✓               | ✓               |
-| Karmada HEAD (master) |                 | ✓               | ✓               | ✓               | ✓               | ✓               | ✓               | ✓               | ✓               | ✓               | ✓               |
+|                       | Kubernetes 1.34 | Kubernetes 1.33 | Kubernetes 1.32 | Kubernetes 1.31 | Kubernetes 1.30 | Kubernetes 1.29 | Kubernetes 1.28 | Kubernetes 1.27 | Kubernetes 1.26 | Kubernetes 1.25 | Kubernetes 1.24 | Kubernetes 1.23 |
+|-----------------------|-----------------|-----------------|-----------------|-----------------|-----------------|-----------------|-----------------|-----------------|-----------------|-----------------|-----------------|-----------------|
+| Karmada v1.13         |                 |                 |                 | ✓               | ✓               | ✓               | ✓               | ✓               | ✓               | ✓               | ✓               | ✓               |
+| Karmada v1.14         |                 |                 | ✓               | ✓               | ✓               | ✓               | ✓               | ✓               | ✓               | ✓               | ✓               | ✓               |
+| Karmada v1.15         |                 | ✓               | ✓               | ✓               | ✓               | ✓               | ✓               | ✓               | ✓               | ✓               | ✓               |                 |
+| Karmada HEAD (master) |                 | ✓               | ✓               | ✓               | ✓               | ✓               | ✓               | ✓               | ✓               | ✓               | ✓               |                 |
 
 Key:
 * `✓` Karmada and the Kubernetes version are exactly compatible.