Regenerated all GKE channels

Author: github-actions

static/rapid.json

@@ -9,24 +9,15 @@
   {
    "version": "1.28.6"
   },
-  {
-   "version": "1.28.5"
-  },
   {
    "version": "1.28.3"
   },
   {
    "version": "1.27.10"
   },
-  {
-   "version": "1.27.9"
-  },
   {
    "version": "1.26.13"
   },
-  {
-   "version": "1.26.12"
-  },
   {
    "version": "1.25.16"
   }

static/regular.json

@@ -15,9 +15,6 @@
   {
    "version": "1.27.8"
   },
-  {
-   "version": "1.27.3"
-  },
   {
    "version": "1.26.12"
   },
@@ -27,9 +24,6 @@
   {
    "version": "1.26.8"
   },
-  {
-   "version": "1.26.6"
-  },
   {
    "version": "1.25.16"
   }

static/stable.json

@@ -9,9 +9,6 @@
   {
    "version": "1.27.7"
   },
-  {
-   "version": "1.27.3"
-  },
   {
    "version": "1.26.11"
   },