CI: test against k8s 1.30 (#278)

Drop 1.25
Bump kind version to v0.23.0

.github/workflows/acceptance.yaml

@@ -5,7 +5,12 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        kind-k8s-version: [1.25.16, 1.26.14, 1.27.11, 1.28.7, 1.29.2]
+        kind-k8s-version:
+          - 1.30.0
+          - 1.29.4
+          - 1.28.9
+          - 1.27.13
+          - 1.26.15
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@a5ac7e51b41094c92402da3b24376905380afc29 # v4.1.6
@@ -16,7 +21,7 @@ jobs:
         with:
           config: test/kind/config.yaml
           node_image: kindest/node:v${{ matrix.kind-k8s-version }}
-          version: v0.22.0
+          version: v0.23.0
       - run: bats --tap --timing ./test/acceptance
         env:
           VAULT_LICENSE_CI: ${{ secrets.VAULT_LICENSE_CI }}

Makefile

@@ -14,7 +14,7 @@ LOCAL_ACCEPTANCE_TESTS?=false
 KIND_CLUSTER_NAME?=vault-helm
 
 # kind k8s version
-KIND_K8S_VERSION?=v1.29.2
+KIND_K8S_VERSION?=v1.30.0
 
 # Generate json schema for chart values. See test/README.md for more details.
 values-schema: