Update readme for v1.1.0 (#27)

Signed-off-by: Reinhard Nägele <unguiculus@gmail.com>

README.md

@@ -15,7 +15,7 @@ For more information, reference the GitHub Help Documentation for [Creating a wo
 
 For more information on inputs, see the [API Documentation](https://developer.github.com/v3/repos/releases/#input)
 
-- `version`: The kind version to use (default: `v0.8.1`)
+- `version`: The kind version to use (default: `v0.9.0`)
 - `config`: The path to the kind config file
 - `node_image`: The Docker image for the cluster nodes
 - `cluster_name`: The name of the cluster to create (default: `chart-testing`)
@@ -36,7 +36,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Create k8s Kind Cluster
-        uses: helm/kind-action@v1.0.0
+        uses: helm/kind-action@v1.1.0
 ```
 
 This uses [@helm/kind-action](https://www.github.com/helm/kind-action) GitHub Action to spin up a [kind](https://kind.sigs.k8s.io/) Kubernetes cluster on every Pull Request.