docs: remove kubernetes version 1.23 (EOL) (#775)

* docs: remove kubernetes version 1.23 (EOL)

Signed-off-by: Anish Ramasekar <anish.ramasekar@gmail.com>

* ci: update kubernetes versions for supported releases

Signed-off-by: Anish Ramasekar <anish.ramasekar@gmail.com>

---------

Signed-off-by: Anish Ramasekar <anish.ramasekar@gmail.com>

.pipelines/nightly.yaml

@@ -135,12 +135,10 @@ jobs:
         value: "true"
     strategy:
       matrix:
-        kind_v1_23_6:
-          KIND_NODE_VERSION: v1.23.6
-        kind_v1_24_2:
-          KIND_NODE_VERSION: v1.24.2
-        kind_v1_25_0:
-          KIND_NODE_VERSION: v1.25.0
+        kind_v1_24_7:
+          KIND_NODE_VERSION: v1.24.7
+        kind_v1_25_3:
+          KIND_NODE_VERSION: v1.25.3
         kind_v1_26_0:
           KIND_NODE_VERSION: v1.26.0
     steps:

.pipelines/pr.yaml

@@ -87,16 +87,12 @@ jobs:
         aks_linux:
           REGISTRY: upstream.azurecr.io/azure-workload-identity
           GINKGO_SKIP: \[AKSSoakOnly\]
-        kind_v1_23_6:
-          KIND_NODE_VERSION: v1.23.6
+        kind_v1_24_7:
+          KIND_NODE_VERSION: v1.24.7
           LOCAL_ONLY: "true"
           TEST_HELM_CHART: "true"
-        kind_v1_24_2:
-          KIND_NODE_VERSION: v1.24.2
-          LOCAL_ONLY: "true"
-          TEST_HELM_CHART: "true"
-        kind_v1_25_0:
-          KIND_NODE_VERSION: v1.25.0
+        kind_v1_25_3:
+          KIND_NODE_VERSION: v1.25.3
           LOCAL_ONLY: "true"
           TEST_HELM_CHART: "true"
         kind_v1_26_0:

README.md

@@ -9,7 +9,6 @@ Azure AD Workload Identity is the next iteration of [Azure AD Pod Identity][1] t
 | 1.26               | ✅         |
 | 1.25               | ✅         |
 | 1.24               | ✅         |
-| 1.23               | ✅         |
 
 ## Installation