fix: gh action version and k8s kind version

Author: peppescg

.github/workflows/helm-test.yml

@@ -22,10 +22,10 @@ jobs:
               uses: actions/checkout@08c6903cd8c0fde910a37f88322edcfb5dd907a8 # v5.0.0
 
             - name: Set up Docker Buildx
-              uses: docker/setup-buildx-action@2856a9e524044420f517685a4655470535401539 # v3.0.0
+              uses: docker/setup-buildx-action@f95db51fddba0c2d1ec667646a06c2ce06100226 # v3.0.0
 
             - name: Build Docker image
-              uses: docker/build-push-action@e2a61776269e8d6936392d704d05a56504c68377 # v6.0.0
+              uses: docker/build-push-action@c382f710d39a5bb4e430307530a720f50c2d3318 # v6.0.0
               with:
                   context: .
                   load: true
@@ -37,6 +37,7 @@ jobs:
               uses: helm/kind-action@026472392573094226832982b6a5182641d20195 # v1.0.0
               with:
                   cluster_name: toolhive-test
+                  node_image: kindest/node:v1.28.0
                   wait: 120s
 
             - name: Load image into Kind

.github/workflows/lint-helm.yml

@@ -35,8 +35,8 @@ jobs:
 
             - name: Validate templates
               run: |
-                  helm template toolhive-ui ./helm --debug
-                  helm template toolhive-ui ./helm -f ./helm/values-dev.yaml --debug
+                  helm template toolhive-cloud-ui ./helm --debug
+                  helm template toolhive-cloud-ui ./helm -f ./helm/values-dev.yaml --debug
 
             - name: Check for Kubernetes API deprecations
               uses: helm/chart-testing-action@e6669bcd63d7cb57cb4380c33043eebe5d111992 # v2.6.1